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Osteopenia and Osterporosis

Data set information and statistics

Variables

## 'data.frame':    371070 obs. of  31 variables:
##  $ Trial      : chr  "BDS00013" "BDS00013" "BDS00013" "BDS00013" ...
##  $ TOTEX      : num  19.8 19.8 19.8 19.8 19.8 ...
##  $ RDIST      : num  0.32 0.32 0.32 0.32 0.32 ...
##  $ AP_        : num  -7.8 -7.8 -7.8 -7.8 -7.8 ...
##  $ ML_        : num  0.658 0.658 0.658 0.658 0.658 ...
##  $ MVELO      : num  0.403 0.403 0.403 0.403 0.403 ...
##  $ POWER      : num  1.06 1.06 1.06 1.06 1.06 ...
##  $ POWER.v    : num  2.75 2.75 2.75 2.75 2.75 ...
##  $ AREA_CC    : num  0.984 0.984 0.984 0.984 0.984 ...
##  $ AREA_CE    : num  0.429 0.429 0.429 0.429 0.429 ...
##  $ MFREQ      : num  0.241 0.241 0.241 0.241 0.241 ...
##  $ spx        : num  0.04 0.06 0.08 0.1 0.12 0.14 0.16 0.18 0.2 0.22 ...
##  $ RD.y       : num  4.41 17.01 3.58 11.28 3.58 ...
##  $ AP.y       : num  71.5 15.5 52.1 73.1 1.4 ...
##  $ ML.y       : num  1.35 1.48 2.24 0.04 0.15 0.03 0.55 0.51 0.18 0 ...
##  $ RD.vy      : num  0.36 8.85 0.13 5.82 2.15 2.18 3.96 0.4 1 0.17 ...
##  $ AP.vy      : num  5.71 0.82 15.24 33.91 0.16 ...
##  $ ML.vy      : num  0.12 0.11 0.48 0.05 0.07 0.01 0.56 0.69 0.38 0 ...
##  $ Subject    : num  2 2 2 2 2 2 2 2 2 2 ...
##  $ AgeGroup   : chr  "Young" "Young" "Young" "Young" ...
##  $ Age        : num  27.6 27.6 27.6 27.6 27.6 ...
##  $ Surface    : chr  "Firm" "Firm" "Firm" "Firm" ...
##  $ Illness    : chr  "No" "No" "No" "No" ...
##  $ Illness2   : chr  "No" "No" "No" "No" ...
##  $ Disability2: chr  "No" "No" "No" "No" ...
##  $ Vision     : chr  "Open" "Open" "Open" "Open" ...
##  $ Falls12m   : num  0 0 0 0 0 0 0 0 0 0 ...
##  $ Gender     : chr  "F" "F" "F" "F" ...
##  $ grp        : chr  "HC" "HC" "HC" "HC" ...
##  $ fall.class : Factor w/ 4 levels "0","2","1-4",..: 1 1 1 1 1 1 1 1 1 1 ...
##  $ freq.class : Factor w/ 3 levels "sway","forces",..: 1 1 1 1 1 1 1 1 1 1 ...

Subjects

Subject Age grp Gender Illness2 Disability2 Falls12m
4 61.750 HC M No No 1
41 68.833 HC M No No 0
43 60.667 HC F No No 0
69 65.083 HC F No No 0
71 61.417 HC F No No 0
102 66.167 HC F No No 1
133 82.333 HC F No No 0
44 62.167 PA F Hypercholesterolemia, Osteopenia No 0
49 73.917 PA F Hypothyroidism, Rheumatism, Anxiety, Osteopenia, Gastroesophageal reflux Hearing (Left ear) 0
52 70.000 PA F Osteoporosis, Osteopenia, Hypothyroidism, Stroke, Hypertension, Hypercholesterolemia, Bronchitis No 0
56 60.500 PA F Hypertension, Hypercholesterolemia, Essential tremor, Osteopenia, Gastritis, Esophagitis No 1
77 81.333 PA F Osteoporosis, Arthrosis, Hypercholesterolemia, Hypoglycemia No 0
79 72.250 PA F Hypertension, Osteoporosis, Herniated lumbar disc, Labyrinthitis No 0
81 68.833 PA F Osteoporosis No 2
82 76.250 PA F Diabetes mellitus, Hypertension, Osteoporosis, Arthrosis No 0
88 72.500 PA F Diabetes mellitus, Osteoporosis No 0
92 76.417 PA F Hypercholesterolemia, Osteopenia No 1
100 69.583 PA F Hypertension, Lumbar tumor, Osteoporosis No 0
105 80.000 PA F Osteoporosis, Hypertension, Hyperthyroidism No 1
106 66.833 PA F Allergy, Osteoporosis, Conjunctivitis No 0
110 66.583 PA F Diabetes mellitus, Osteopenia, Labyrinthitis Hearing (Right ear) 1
111 62.583 PA F Diabetes mellitus, Hypothyroidism, Hypercholesterolemia, Osteopenia No 0
113 73.333 PA F Urinary tract infection, Osteopenia No 1
134 79.917 PA F Labyrinthitis, Osteoporosis, Hypothyroidism No 1
145 70.417 PA F Hypertension, Hypercholesterolemia, Osteopenia, Arthritis, Bursitis No 0
150 74.250 PA F Hypertension, Osteopenia, Arthritis, Sinusitis No 0
151 73.333 PA F Hypothyroidism, Hypercholesterolemia, Hypertriglyceridemia, Osteopenia, Fatty liver No 0
157 61.833 PA F Hypertension, Diabetes mellitus, Osteopenia, Labyrinthitis, Hypothyroidism Hearing (Right ear) 0

Statistics

grp Gender subjects mean.age
HC F 5 67.133
HC M 2 65.292
PA F 21 71.087

T-test Series

Data Preprocessing

Tests Series: AgeGroup = Old, Surface = Firm, Vision = Open

Testing HC against PA. All test are statistical significant. Table below is sorted by statistic decreasing.
p stat conf.int means var
0.000 -76.698 -2.083, -1.979 HC/PA:-3.086/-1.056 AP_
0.000 26.707 0.93, 1.078 HC/PA:3.769/2.765 POWER
0.000 23.682 0.737, 0.87 HC/PA:3.284/2.48 AREA_CC
0.000 20.620 0.049, 0.06 HC/PA:0.566/0.512 RDIST
0.000 10.784 2.072, 2.993 HC/PA:52.581/50.048 TOTEX
0.000 10.784 0.042, 0.061 HC/PA:1.073/1.021 MVELO
0.000 7.729 0.013, 0.023 HC/PA:0.397/0.379 MFREQ
0.000 -4.044 -1.677, -0.582 HC/PA:4.227/5.356 ML.vy
0.001 -3.233 -0.087, -0.021 HC/PA:2.207/2.262 AREA_CE
0.007 -2.694 -0.294, -0.046 HC/PA:0.484/0.654 ML.y
0.034 2.122 0.148, 3.733 HC/PA:18.844/16.903 AP.vy
0.041 2.048 0.011, 0.493 HC/PA:0.945/0.693 RD.y
0.169 -1.376 -0.041, 0.007 HC/PA:0.001/0.018 ML_
0.200 1.281 -0.166, 0.793 HC/PA:2.006/1.692 AP.y
0.506 0.666 -0.316, 0.641 HC/PA:6.827/6.664 RD.vy
0.884 0.146 -0.499, 0.579 HC/PA:25.858/25.818 POWER.v
1.000 0.000 -0.057, 0.057 HC/PA:4.02/4.02 spx

HC vs. PA | frequency class

HC vs. PA | falls class