## Warning: NAs introduced by coercion
## # A tibble: 216 × 278
##    DLBC_ID     GUID       NACC_ID   AGEYRS GENDER ETHNICITY_US RACE_EXPANDED_CAT
##    <chr>       <chr>      <chr>      <dbl> <chr>  <chr>        <chr>            
##  1 DLBC-01-001 PDNT373GNV NACC1-00…     58 Male   Not Hispani… Caucasian (e.g.,…
##  2 DLBC-01-002 PDDJ916LE2 DLBC01-0…     78 Male   Not Hispani… Caucasian (e.g.,…
##  3 DLBC-01-003 PDAM173HGK DLBC01-0…     75 Male   Not Hispani… Caucasian (e.g.,…
##  4 DLBC-01-004 PDDD367DR5 NACC1-00…     73 Female Not Hispani… Caucasian (e.g.,…
##  5 DLBC-01-005 PDAG119CYK NACC1-00…     64 Male   Not Hispani… Caucasian (e.g.,…
##  6 DLBC-01-006 PDZZ702FMD DLBC01-0…     75 Male   Not Hispani… Caucasian (e.g.,…
##  7 DLBC-01-007 PDRM964PWK NACC1-00…     72 Male   Not Hispani… Caucasian (e.g.,…
##  8 DLBC-01-008 PDVU751PW2 NACC1-00…     69 Female Not Hispani… Caucasian (e.g.,…
##  9 DLBC-01-009 PDUD695DE0 NACC1-00…     65 Male   Not Hispani… Caucasian (e.g.,…
## 10 DLBC-01-010 PDEL568WR5 NACC1-00…     83 Male   Not Hispani… Caucasian (e.g.,…
## # ℹ 206 more rows
## # ℹ 271 more variables: EDU_LEVEL_US <chr>, EMP_STATUS <chr>,
## #   PDBP_PRIMARY_DIAGNOSIS <chr>, DIAGNOSIS <chr>, MDSUPDRS_PARTIIISCORE <dbl>,
## #   DELNPICONTSCREENDELUSIND <chr>, DELNPIDANGERIND <chr>,
## #   DELNPISTEALINGIND <chr>, DELNPISPOUSEAFFAIRIND <chr>,
## #   DELNPIGUESTSIND <chr>, DELNPINOTWHOSAYIND <chr>,
## #   DELNPIHOUSENOTHOMEIND <chr>, DELNPIFAMILYABANDONIND <chr>, …




Table 1 by baseline fluctuation status


No
(N=91)
Yes
(N=97)
Overall
(N=188)
AGEYRS
Mean (SD) 70.3 (6.82) 70.3 (6.69) 70.3 (6.73)
Median [Min, Max] 70.0 [53.0, 85.0] 70.0 [53.0, 89.0] 70.0 [53.0, 89.0]
Missing 5 (5.5%) 3 (3.1%) 8 (4.3%)
GENDER
Female 15 (16.5%) 10 (10.3%) 25 (13.3%)
Male 71 (78.0%) 84 (86.6%) 155 (82.4%)
Missing 5 (5.5%) 3 (3.1%) 8 (4.3%)
Education
Associates/some college 12 (13.2%) 28 (28.9%) 40 (21.3%)
Bachelors 26 (28.6%) 23 (23.7%) 49 (26.1%)
HS or less 11 (12.1%) 12 (12.4%) 23 (12.2%)
More than Bachelors 37 (40.7%) 31 (32.0%) 68 (36.2%)
Missing 5 (5.5%) 3 (3.1%) 8 (4.3%)
moca_base
Mean (SD) 21.5 (4.86) 18.5 (5.78) 19.9 (5.55)
Median [Min, Max] 21.0 [11.0, 30.0] 19.0 [6.00, 30.0] 21.0 [6.00, 30.0]
Missing 6 (6.6%) 2 (2.1%) 8 (4.3%)
moca_m12
Mean (SD) 19.6 (6.29) 17.9 (6.59) 18.6 (6.49)
Median [Min, Max] 22.0 [8.00, 29.0] 18.0 [4.00, 30.0] 20.0 [4.00, 30.0]
Missing 56 (61.5%) 45 (46.4%) 101 (53.7%)
moca_m24
Mean (SD) 16.6 (7.71) 18.4 (6.91) 17.5 (7.33)
Median [Min, Max] 18.0 [2.00, 30.0] 19.0 [3.00, 30.0] 18.0 [2.00, 30.0]
Missing 64 (70.3%) 73 (75.3%) 137 (72.9%)
moca_m36
Mean (SD) 16.2 (9.00) 18.5 (6.24) 17.4 (7.64)
Median [Min, Max] 17.0 [3.00, 28.0] 19.0 [4.00, 26.0] 19.0 [3.00, 28.0]
Missing 77 (84.6%) 82 (84.5%) 159 (84.6%)
updrs_base
Mean (SD) 26.8 (15.5) 29.8 (15.5) 28.3 (15.5)
Median [Min, Max] 25.0 [0, 73.0] 28.0 [2.00, 80.0] 27.0 [0, 80.0]
Missing 10 (11.0%) 8 (8.2%) 18 (9.6%)
updrs_m12
Mean (SD) 28.9 (18.1) 31.2 (17.9) 30.3 (17.9)
Median [Min, Max] 26.0 [5.00, 80.0] 28.0 [2.00, 87.0] 28.0 [2.00, 87.0]
Missing 56 (61.5%) 45 (46.4%) 101 (53.7%)
updrs_m24
Mean (SD) 34.1 (22.7) 31.6 (15.7) 32.9 (19.5)
Median [Min, Max] 36.0 [1.00, 75.0] 31.0 [5.00, 83.0] 31.0 [1.00, 83.0]
Missing 62 (68.1%) 70 (72.2%) 132 (70.2%)
updrs_m36
Mean (SD) 30.4 (18.0) 38.2 (18.0) 34.4 (18.1)
Median [Min, Max] 32.0 [2.00, 57.0] 40.0 [7.00, 71.0] 36.0 [2.00, 71.0]
Missing 78 (85.7%) 83 (85.6%) 161 (85.6%)
cdr_base
Mean (SD) 4.63 (3.09) 6.09 (3.08) 5.45 (3.16)
Median [Min, Max] 4.00 [0, 14.0] 5.00 [1.00, 15.0] 4.50 [0, 15.0]
Missing 31 (34.1%) 19 (19.6%) 50 (26.6%)
cdr_m12
Mean (SD) 5.93 (3.61) 6.81 (4.21) 6.43 (3.95)
Median [Min, Max] 5.25 [1.00, 18.0] 5.50 [1.50, 17.0] 5.50 [1.00, 18.0]
Missing 63 (69.2%) 60 (61.9%) 123 (65.4%)
cdr_m24
Mean (SD) 6.81 (3.95) 6.91 (4.28) 6.86 (4.08)
Median [Min, Max] 5.00 [1.00, 15.0] 6.00 [0.500, 17.0] 5.75 [0.500, 17.0]
Missing 70 (76.9%) 74 (76.3%) 144 (76.6%)
cdr_m36
Mean (SD) 8.83 (3.86) 6.45 (3.95) 7.58 (3.99)
Median [Min, Max] 9.00 [0.500, 14.0] 6.00 [0, 12.0] 8.00 [0, 14.0]
Missing 82 (90.1%) 87 (89.7%) 169 (89.9%)
apoe
APOEe4- 49 (53.8%) 46 (47.4%) 95 (50.5%)
APOEe4+ 20 (22.0%) 38 (39.2%) 58 (30.9%)
Missing 22 (24.2%) 13 (13.4%) 35 (18.6%)
Site
01 18 (19.8%) 17 (17.5%) 35 (18.6%)
02 10 (11.0%) 11 (11.3%) 21 (11.2%)
03 8 (8.8%) 20 (20.6%) 28 (14.9%)
04 15 (16.5%) 9 (9.3%) 24 (12.8%)
05 13 (14.3%) 14 (14.4%) 27 (14.4%)
06 4 (4.4%) 6 (6.2%) 10 (5.3%)
07 6 (6.6%) 4 (4.1%) 10 (5.3%)
08 14 (15.4%) 14 (14.4%) 28 (14.9%)
09 2 (2.2%) 1 (1.0%) 3 (1.6%)
10 1 (1.1%) 1 (1.0%) 2 (1.1%)



Table 1 by CDR missingness



## Warning in chisq.test(table(y, g)): Chi-squared approximation may be incorrect
No
(N=138)
Yes
(N=50)
P-value
AGEYRS
Mean (SD) 70.2 (6.73) 70.7 (6.79) 0.621
Median [Min, Max] 70.0 [53.0, 89.0] 70.5 [53.0, 83.0]
Missing 4 (2.9%) 4 (8.0%)
GENDER
Female 19 (13.8%) 6 (12.0%) 1
Male 115 (83.3%) 40 (80.0%)
Missing 4 (2.9%) 4 (8.0%)
Education
Associates/some college 33 (23.9%) 7 (14.0%) 0.508
Bachelors 34 (24.6%) 15 (30.0%)
HS or less 16 (11.6%) 7 (14.0%)
More than Bachelors 51 (37.0%) 17 (34.0%)
Missing 4 (2.9%) 4 (8.0%)
moca_base
Mean (SD) 19.6 (5.29) 21.0 (6.18) 0.173
Median [Min, Max] 20.0 [6.00, 30.0] 23.0 [7.00, 29.0]
Missing 4 (2.9%) 4 (8.0%)
updrs_base
Mean (SD) 28.8 (15.4) 26.8 (16.2) 0.508
Median [Min, Max] 27.0 [2.00, 80.0] 25.0 [0, 63.0]
Missing 6 (4.3%) 12 (24.0%)
apoe
APOEe4- 74 (53.6%) 21 (42.0%) 0.432
APOEe4+ 49 (35.5%) 9 (18.0%)
Missing 15 (10.9%) 20 (40.0%)
fluc_base
No 60 (43.5%) 31 (62.0%) 0.038
Yes 78 (56.5%) 19 (38.0%)
Site
01 32 (23.2%) 3 (6.0%) <0.001
02 15 (10.9%) 6 (12.0%)
03 28 (20.3%) 0 (0%)
04 17 (12.3%) 7 (14.0%)
05 22 (15.9%) 5 (10.0%)
06 2 (1.4%) 8 (16.0%)
07 0 (0%) 10 (20.0%)
08 20 (14.5%) 8 (16.0%)
09 2 (1.4%) 1 (2.0%)
10 0 (0%) 2 (4.0%)
## Warning: Removed 8 rows containing non-finite outside the scale range
## (`stat_boxplot()`).

## Warning: Removed 18 rows containing non-finite outside the scale range
## (`stat_boxplot()`).

## Warning: Removed 50 rows containing non-finite outside the scale range
## (`stat_boxplot()`).



Table 1 by baseline fluctuation status (for those with diagnosis = 1)



## Warning in chisq.test(table(y, g)): Chi-squared approximation may be incorrect
No
(N=58)
Yes
(N=76)
P-value
AGEYRS
Mean (SD) 70.2 (6.90) 70.6 (6.53) 0.753
Median [Min, Max] 70.0 [55.0, 83.0] 69.0 [57.0, 89.0]
Missing 3 (5.2%) 1 (1.3%)
GENDER
Female 7 (12.1%) 8 (10.5%) 0.932
Male 48 (82.8%) 67 (88.2%)
Missing 3 (5.2%) 1 (1.3%)
Education
Associates/some college 8 (13.8%) 25 (32.9%) 0.098
Bachelors 16 (27.6%) 16 (21.1%)
HS or less 8 (13.8%) 11 (14.5%)
More than Bachelors 23 (39.7%) 23 (30.3%)
Missing 3 (5.2%) 1 (1.3%)
moca_base
Mean (SD) 20.7 (4.74) 17.7 (5.76) 0.002
Median [Min, Max] 21.0 [11.0, 29.0] 17.0 [6.00, 30.0]
Missing 5 (8.6%) 1 (1.3%)
moca_m12
Mean (SD) 18.3 (6.46) 16.7 (6.27) 0.304
Median [Min, Max] 20.0 [8.00, 28.0] 16.5 [4.00, 30.0]
Missing 32 (55.2%) 32 (42.1%)
moca_m24
Mean (SD) 14.6 (7.52) 17.6 (7.16) 0.223
Median [Min, Max] 13.0 [2.00, 29.0] 17.5 [3.00, 30.0]
Missing 39 (67.2%) 56 (73.7%)
moca_m36
Mean (SD) 16.3 (9.10) 17.3 (5.88) 0.765
Median [Min, Max] 17.0 [3.00, 27.0] 18.0 [4.00, 26.0]
Missing 48 (82.8%) 63 (82.9%)
updrs_base
Mean (SD) 30.3 (15.7) 32.1 (15.2) 0.523
Median [Min, Max] 27.5 [2.00, 73.0] 29.5 [3.00, 80.0]
Missing 4 (6.9%) 4 (5.3%)
updrs_m12
Mean (SD) 30.9 (18.6) 33.7 (17.6) 0.524
Median [Min, Max] 27.0 [5.00, 80.0] 32.0 [3.00, 87.0]
Missing 30 (51.7%) 31 (40.8%)
updrs_m24
Mean (SD) 36.4 (21.7) 33.1 (15.7) 0.572
Median [Min, Max] 36.5 [3.00, 65.0] 31.0 [9.00, 83.0]
Missing 36 (62.1%) 53 (69.7%)
updrs_m36
Mean (SD) 34.9 (16.2) 41.9 (16.2) 0.339
Median [Min, Max] 36.0 [6.00, 57.0] 42.0 [19.0, 71.0]
Missing 49 (84.5%) 64 (84.2%)
cdr_base
Mean (SD) 4.76 (2.85) 6.34 (3.18) 0.008
Median [Min, Max] 4.00 [1.00, 14.0] 5.25 [2.00, 15.0]
Missing 14 (24.1%) 12 (15.8%)
cdr_m12
Mean (SD) 6.38 (3.55) 7.33 (4.25) 0.385
Median [Min, Max] 5.50 [2.00, 18.0] 6.00 [2.00, 17.0]
Missing 37 (63.8%) 44 (57.9%)
cdr_m24
Mean (SD) 7.40 (3.95) 7.58 (4.27) 0.9
Median [Min, Max] 7.50 [1.50, 15.0] 7.00 [1.50, 17.0]
Missing 43 (74.1%) 57 (75.0%)
cdr_m36
Mean (SD) 10.2 (3.11) 7.17 (3.44) 0.126
Median [Min, Max] 9.00 [7.00, 14.0] 6.00 [2.00, 12.0]
Missing 53 (91.4%) 67 (88.2%)
apoe
APOEe4- 32 (55.2%) 36 (47.4%) 0.237
APOEe4+ 18 (31.0%) 34 (44.7%)
Missing 8 (13.8%) 6 (7.9%)
Site
01 8 (13.8%) 12 (15.8%) 0.072
02 8 (13.8%) 11 (14.5%)
03 3 (5.2%) 16 (21.1%)
04 12 (20.7%) 5 (6.6%)
05 9 (15.5%) 12 (15.8%)
06 3 (5.2%) 4 (5.3%)
07 6 (10.3%) 4 (5.3%)
08 7 (12.1%) 11 (14.5%)
09 2 (3.4%) 0 (0%)
10 0 (0%) 1 (1.3%)



Table 1 by missing CDR status (for those with diagnosis = 1)



No
(N=108)
Yes
(N=26)
Overall
(N=134)
AGEYRS
Mean (SD) 70.2 (6.58) 71.0 (7.12) 70.4 (6.67)
Median [Min, Max] 69.0 [57.0, 89.0] 71.0 [55.0, 83.0] 70.0 [55.0, 89.0]
Missing 3 (2.8%) 1 (3.8%) 4 (3.0%)
GENDER
Female 15 (13.9%) 0 (0%) 15 (11.2%)
Male 90 (83.3%) 25 (96.2%) 115 (85.8%)
Missing 3 (2.8%) 1 (3.8%) 4 (3.0%)
Education
Associates/some college 28 (25.9%) 5 (19.2%) 33 (24.6%)
Bachelors 24 (22.2%) 8 (30.8%) 32 (23.9%)
HS or less 15 (13.9%) 4 (15.4%) 19 (14.2%)
More than Bachelors 38 (35.2%) 8 (30.8%) 46 (34.3%)
Missing 3 (2.8%) 1 (3.8%) 4 (3.0%)
moca_base
Mean (SD) 19.0 (5.25) 18.8 (6.76) 18.9 (5.54)
Median [Min, Max] 20.0 [6.00, 30.0] 20.0 [7.00, 27.0] 20.0 [6.00, 30.0]
Missing 4 (3.7%) 2 (7.7%) 6 (4.5%)
updrs_base
Mean (SD) 31.2 (15.5) 32.1 (15.3) 31.3 (15.4)
Median [Min, Max] 28.5 [2.00, 80.0] 28.0 [6.00, 63.0] 28.5 [2.00, 80.0]
Missing 4 (3.7%) 4 (15.4%) 8 (6.0%)
apoe
APOEe4- 54 (50.0%) 14 (53.8%) 68 (50.7%)
APOEe4+ 46 (42.6%) 6 (23.1%) 52 (38.8%)
Missing 8 (7.4%) 6 (23.1%) 14 (10.4%)
Site
01 20 (18.5%) 0 (0%) 20 (14.9%)
02 15 (13.9%) 4 (15.4%) 19 (14.2%)
03 19 (17.6%) 0 (0%) 19 (14.2%)
04 14 (13.0%) 3 (11.5%) 17 (12.7%)
05 21 (19.4%) 0 (0%) 21 (15.7%)
06 2 (1.9%) 5 (19.2%) 7 (5.2%)
07 0 (0%) 10 (38.5%) 10 (7.5%)
08 16 (14.8%) 2 (7.7%) 18 (13.4%)
09 1 (0.9%) 1 (3.8%) 2 (1.5%)
10 0 (0%) 1 (3.8%) 1 (0.7%)
RACE_EXPANDED_CAT
African - Black (i.e., south of the Sahara) 1 (0.9%) 0 (0%) 1 (0.7%)
American - Black (i.e., people of African descent whose area of origin is within the Americas: e.g., Canada, Caribbean, Brazil, US, etc.) 1 (0.9%) 0 (0%) 1 (0.7%)
American Indian/Alaska Native;Caucasian (e.g., British Isles, Germany, Peninsular Spain, Latin America, France, Italy, Ireland, Sweden, etc.) 1 (0.9%) 0 (0%) 1 (0.7%)
Caucasian (e.g., British Isles, Germany, Peninsular Spain, Latin America, France, Italy, Ireland, Sweden, etc.) 101 (93.5%) 22 (84.6%) 123 (91.8%)
Caucasian (e.g., British Isles, Germany, Peninsular Spain, Latin America, France, Italy, Ireland, Sweden, etc.);Other, specify 1 (0.9%) 0 (0%) 1 (0.7%)
Asian - East (i.e., China, Japan, Korea, etc.) 0 (0%) 1 (3.8%) 1 (0.7%)
Asian - East (i.e., China, Japan, Korea, etc.);Other, specify 0 (0%) 1 (3.8%) 1 (0.7%)
Other, specify 0 (0%) 1 (3.8%) 1 (0.7%)
Missing 3 (2.8%) 1 (3.8%) 4 (3.0%)
ETHNICITY_US
Hispanic or Latino 2 (1.9%) 1 (3.8%) 3 (2.2%)
Not Hispanic or Latino 103 (95.4%) 24 (92.3%) 127 (94.8%)
Missing 3 (2.8%) 1 (3.8%) 4 (3.0%)
EMP_STATUS
Disabled, permanently or temporarily 8 (7.4%) 4 (15.4%) 12 (9.0%)
Other, specify 1 (0.9%) 0 (0%) 1 (0.7%)
Retired 87 (80.6%) 19 (73.1%) 106 (79.1%)
Unknown 1 (0.9%) 0 (0%) 1 (0.7%)
Working Now 8 (7.4%) 2 (7.7%) 10 (7.5%)
Missing 3 (2.8%) 1 (3.8%) 4 (3.0%)







DAG







Cross-sectional relationships at each timepoint


UPDRS scores vs. Fluctuation status


## 
##  Welch Two Sample t-test
## 
## data:  dlbc_dlb$updrs_base by dlbc_dlb$fluc_base
## t = -0.64122, df = 112.27, p-value = 0.5227
## alternative hypothesis: true difference in means between group No and group Yes is not equal to 0
## 95 percent confidence interval:
##  -7.308803  3.734729
## sample estimates:
##  mean in group No mean in group Yes 
##          30.29630          32.08333
## 
##  Welch Two Sample t-test
## 
## data:  dlbc_dlb$updrs_m12 by dlbc_dlb$fluc_m12
## t = -0.98582, df = 45.668, p-value = 0.3294
## alternative hypothesis: true difference in means between group No and group Yes is not equal to 0
## 95 percent confidence interval:
##  -13.978177   4.788783
## sample estimates:
##  mean in group No mean in group Yes 
##          30.04167          34.63636
## 
##  Welch Two Sample t-test
## 
## data:  dlbc_dlb$updrs_m24 by dlbc_dlb$fluc_m24
## t = -2.8432, df = 23.393, p-value = 0.009114
## alternative hypothesis: true difference in means between group No and group Yes is not equal to 0
## 95 percent confidence interval:
##  -28.075157  -4.439995
## sample estimates:
##  mean in group No mean in group Yes 
##          22.90909          39.16667
## 
##  Welch Two Sample t-test
## 
## data:  dlbc_dlb$updrs_m36 by dlbc_dlb$fluc_m36
## t = -1.131, df = 16, p-value = 0.2747
## alternative hypothesis: true difference in means between group No and group Yes is not equal to 0
## 95 percent confidence interval:
##  -24.790798   7.540798
## sample estimates:
##  mean in group No mean in group Yes 
##            32.875            41.500



MoCA scores vs. Fluctuation status


## 
##  Welch Two Sample t-test
## 
## data:  dlbc_dlb$moca_base by dlbc_dlb$fluc_base
## t = 3.1905, df = 123.03, p-value = 0.001802
## alternative hypothesis: true difference in means between group No and group Yes is not equal to 0
## 95 percent confidence interval:
##  1.126247 4.807841
## sample estimates:
##  mean in group No mean in group Yes 
##          20.66038          17.69333
## 
##  Welch Two Sample t-test
## 
## data:  dlbc_dlb$moca_m12 by dlbc_dlb$fluc_m12
## t = 1.1514, df = 40.408, p-value = 0.2563
## alternative hypothesis: true difference in means between group No and group Yes is not equal to 0
## 95 percent confidence interval:
##  -1.454499  5.309044
## sample estimates:
##  mean in group No mean in group Yes 
##          18.72727          16.80000
## 
##  Welch Two Sample t-test
## 
## data:  dlbc_dlb$moca_m24 by dlbc_dlb$fluc_m24
## t = 0.52949, df = 18.735, p-value = 0.6027
## alternative hypothesis: true difference in means between group No and group Yes is not equal to 0
## 95 percent confidence interval:
##  -4.093878  6.863109
## sample estimates:
##  mean in group No mean in group Yes 
##          17.00000          15.61538
## 
##  Welch Two Sample t-test
## 
## data:  dlbc_dlb$moca_m36 by dlbc_dlb$fluc_m36
## t = 1.9153, df = 17.956, p-value = 0.07152
## alternative hypothesis: true difference in means between group No and group Yes is not equal to 0
## 95 percent confidence interval:
##  -0.50991 11.00991
## sample estimates:
##  mean in group No mean in group Yes 
##             20.25             15.00


CDR vs. Fluctuation status


## 
##  Welch Two Sample t-test
## 
## data:  dlbc_dlb$cdr_base by dlbc_dlb$fluc_base
## t = -2.7037, df = 98.811, p-value = 0.008075
## alternative hypothesis: true difference in means between group No and group Yes is not equal to 0
## 95 percent confidence interval:
##  -2.7437223 -0.4210504
## sample estimates:
##  mean in group No mean in group Yes 
##          4.761364          6.343750
## 
##  Welch Two Sample t-test
## 
## data:  dlbc_dlb$cdr_m12 by dlbc_dlb$fluc_m12
## t = -1.214, df = 30.666, p-value = 0.234
## alternative hypothesis: true difference in means between group No and group Yes is not equal to 0
## 95 percent confidence interval:
##  -3.8040412  0.9659459
## sample estimates:
##  mean in group No mean in group Yes 
##          5.966667          7.385714
## 
##  Welch Two Sample t-test
## 
## data:  dlbc_dlb$cdr_m24 by dlbc_dlb$fluc_m24
## t = -2.2891, df = 21.351, p-value = 0.03236
## alternative hypothesis: true difference in means between group No and group Yes is not equal to 0
## 95 percent confidence interval:
##  -5.601612 -0.271404
## sample estimates:
##  mean in group No mean in group Yes 
##          4.944444          7.880952
## 
##  Welch Two Sample t-test
## 
## data:  dlbc_dlb$cdr_m36 by dlbc_dlb$fluc_m36
## t = -1.3585, df = 7.0049, p-value = 0.2164
## alternative hypothesis: true difference in means between group No and group Yes is not equal to 0
## 95 percent confidence interval:
##  -7.383630  1.994741
## sample estimates:
##  mean in group No mean in group Yes 
##          6.250000          8.944444




Longitudinal relationships by baseline fluctuation status

## `geom_smooth()` using formula = 'y ~ x'
## Warning: Removed 412 rows containing non-finite outside the scale range
## (`stat_smooth()`).
## Warning: Removed 412 rows containing missing values or values outside the scale range
## (`geom_point()`).

## `geom_smooth()` using formula = 'y ~ x'
## Warning: Removed 405 rows containing non-finite outside the scale range
## (`stat_smooth()`).
## Warning: Removed 405 rows containing missing values or values outside the scale range
## (`geom_point()`).

## `geom_smooth()` using formula = 'y ~ x'
## Warning: Removed 486 rows containing non-finite outside the scale range
## (`stat_smooth()`).
## Warning: Removed 486 rows containing missing values or values outside the scale range
## (`geom_point()`).





Modeling


Cross-sectional models at baseline (unadjusted)



  CDR MoCA UPDRS
Predictors Estimates CI p Estimates CI p Estimates CI p
(Intercept) 4.26 3.37 – 5.16 <0.001 21.66 20.28 – 23.03 <0.001 25.90 21.85 – 29.95 <0.001
fluc base [Yes] 1.50 0.41 – 2.59 0.007 -2.33 -4.06 – -0.59 0.009 3.41 -1.67 – 8.50 0.187
apoe [APOEe4+] 0.70 -0.40 – 1.79 0.212 -1.28 -3.06 – 0.50 0.157 1.07 -4.13 – 6.28 0.684
Observations 123 149 150
R2 / R2 adjusted 0.079 / 0.063 0.067 / 0.055 0.014 / 0.001



Cross-sectional models at baseline (adjusted)



  CDR MoCA UPDRS
Predictors Estimates CI p Estimates CI p Estimates CI p
(Intercept) -2.44 -8.05 – 3.16 0.390 26.59 17.45 – 35.73 <0.001 14.81 -11.87 – 41.49 0.274
fluc base [Yes] 2.02 0.96 – 3.09 <0.001 -2.40 -4.19 – -0.61 0.009 4.09 -1.12 – 9.30 0.123
AGEYRS 0.10 0.02 – 0.17 0.011 -0.09 -0.21 – 0.04 0.172 0.18 -0.18 – 0.54 0.316
GENDER [Male] -1.97 -3.44 – -0.49 0.009 1.13 -1.45 – 3.71 0.389 -4.00 -11.44 – 3.43 0.289
apoe [APOEe4+] 0.50 -0.55 – 1.54 0.352 -1.18 -2.98 – 0.61 0.195 0.84 -4.39 – 6.07 0.751
Education [Bachelors] 1.77 0.31 – 3.23 0.018 0.41 -2.08 – 2.89 0.746 -1.55 -8.78 – 5.67 0.671
Education [HS or less] 1.56 -0.19 – 3.30 0.080 -0.43 -3.45 – 2.58 0.778 5.45 -3.31 – 14.20 0.221
Education [More than
Bachelors]
1.75 0.41 – 3.09 0.011 0.18 -2.11 – 2.47 0.876 2.80 -3.97 – 9.57 0.415
Observations 123 149 150
R2 / R2 adjusted 0.210 / 0.162 0.086 / 0.041 0.046 / -0.001


Longitudinal models (unadjusted)


  CDR MoCA UPDRS
Predictors Estimates CI p Estimates CI p Estimates CI p
(Intercept) 2.60 1.41 – 3.80 <0.001 23.89 22.08 – 25.70 <0.001 23.28 18.31 – 28.26 <0.001
time 1.44 1.01 – 1.88 <0.001 -2.09 -2.67 – -1.50 <0.001 3.11 1.56 – 4.66 <0.001
fluc base [Yes] 2.25 0.73 – 3.78 0.004 -3.20 -5.54 – -0.85 0.008 2.65 -3.80 – 9.10 0.419
apoe [APOEe4+] 1.04 -0.14 – 2.22 0.083 -1.21 -3.20 – 0.77 0.229 1.27 -4.28 – 6.82 0.652
time × fluc base [Yes] -0.57 -1.17 – 0.03 0.061 0.69 -0.11 – 1.50 0.091 0.10 -2.04 – 2.24 0.926
Random Effects
σ2 3.97 9.50 65.85
τ00 7.97 DLBC_ID 28.93 DLBC_ID 235.45 DLBC_ID
ICC 0.67 0.75 0.78
N 124 DLBC_ID 149 DLBC_ID 151 DLBC_ID
Observations 248 312 315
Marginal R2 / Conditional R2 0.135 / 0.712 0.100 / 0.778 0.038 / 0.790



Longitudinal models (adjusted)


  CDR MoCA UPDRS
Predictors Estimates CI p Estimates CI p Estimates CI p
(Intercept) -3.96 -10.29 – 2.36 0.218 29.80 19.52 – 40.08 <0.001 11.16 -17.70 – 40.03 0.447
time 1.44 1.01 – 1.87 <0.001 -2.09 -2.67 – -1.50 <0.001 3.12 1.57 – 4.67 <0.001
fluc base [Yes] 2.71 1.19 – 4.23 0.001 -3.45 -5.84 – -1.05 0.005 3.23 -3.36 – 9.83 0.336
AGEYRS 0.10 0.01 – 0.18 0.027 -0.10 -0.24 – 0.04 0.146 0.22 -0.17 – 0.61 0.274
GENDER [Male] -1.71 -3.38 – -0.04 0.044 1.94 -0.96 – 4.83 0.189 -4.59 -12.64 – 3.45 0.262
apoe [APOEe4+] 0.86 -0.31 – 2.03 0.147 -1.09 -3.09 – 0.91 0.283 1.01 -4.60 – 6.63 0.723
Education [Bachelors] 1.50 -0.14 – 3.13 0.072 -0.04 -2.83 – 2.75 0.979 -0.93 -8.71 – 6.85 0.814
Education [HS or less] 1.47 -0.47 – 3.42 0.138 -0.35 -3.71 – 3.00 0.836 2.36 -7.06 – 11.78 0.623
Education [More than
Bachelors]
1.59 0.10 – 3.09 0.037 -0.64 -3.19 – 1.91 0.620 1.56 -5.70 – 8.81 0.673
time × fluc base [Yes] -0.56 -1.16 – 0.03 0.063 0.69 -0.12 – 1.50 0.093 0.10 -2.04 – 2.24 0.930
Random Effects
σ2 3.90 9.50 65.83
τ00 7.56 DLBC_ID 29.14 DLBC_ID 239.58 DLBC_ID
ICC 0.66 0.75 0.78
N 124 DLBC_ID 149 DLBC_ID 151 DLBC_ID
Observations 248 312 315
Marginal R2 / Conditional R2 0.194 / 0.726 0.117 / 0.783 0.053 / 0.796