Table 1.

Demographics features

Characteristic Overall, N = 5781 CDIE, N = 1881 EAD, N = 2391 IAD, N = 1511 p-value2
Gender 0.2
Female 244 / 578 (42%) 70 / 188 (37%) 103 / 239 (43%) 71 / 151 (47%)
Male 334 / 578 (58%) 118 / 188 (63%) 136 / 239 (57%) 80 / 151 (53%)
Age 46 (12) 45 (12) 47 (12) 44 (13) 0.2
Risk Factors
Hypertension 171 / 578 (30%) 58 / 188 (31%) 68 / 239 (28%) 45 / 151 (30%) 0.9
Diabetes 24 / 578 (4.2%) 10 / 188 (5.3%) 10 / 239 (4.2%) 4 / 151 (2.6%) 0.5
Dislypidemia 160 / 578 (28%) 49 / 188 (26%) 69 / 239 (29%) 42 / 151 (28%) 0.8
Never smoking 322 / 578 (56%) 117 / 188 (62%) 126 / 239 (53%) 79 / 151 (52%) 0.090
Ever smoking 100 / 578 (17%) 24 / 188 (13%) 47 / 239 (20%) 29 / 151 (19%) 0.13
Smoking 117 / 578 (20%) 41 / 188 (22%) 41 / 239 (17%) 35 / 151 (23%) 0.3
Migraine 115 / 578 (20%) 34 / 188 (18%) 54 / 239 (23%) 27 / 151 (18%) 0.4
Carotid atherosclerortic disease 23 / 578 (4.0%) 3 / 188 (1.6%) 12 / 239 (5.0%) 8 / 151 (5.3%) 0.12
Fybromuscular dysplasia 51 / 578 (8.8%) 18 / 188 (9.6%) 21 / 239 (8.8%) 12 / 151 (7.9%) 0.9
Oral contraceptives 22 / 577 (3.8%) 7 / 187 (3.7%) 10 / 239 (4.2%) 5 / 151 (3.3%) >0.9
Thrombophilia 20 / 577 (3.5%) 11 / 187 (5.9%) 6 / 239 (2.5%) 3 / 151 (2.0%) 0.086
Cardiovascular disease 39 / 578 (6.7%) 8 / 188 (4.3%) 19 / 239 (7.9%) 12 / 151 (7.9%) 0.3
Triggers
Trigger 0.3
Major trauma 40 / 578 (6.9%) 8 / 188 (4.3%) 22 / 239 (9.2%) 10 / 151 (6.6%)
Spontaneous 350 / 578 (61%) 112 / 188 (60%) 143 / 239 (60%) 95 / 151 (63%)
Trivial trauma 188 / 578 (33%) 68 / 188 (36%) 74 / 239 (31%) 46 / 151 (30%)

1 n / N (%); Mean (SD)

2 Pearson's Chi-squared test; Kruskal-Wallis rank sum test

Table 2

Clinical presentation by intra or extracranial territory

Characteristic Overall, N = 5781 CDIE, N = 1881 EAD, N = 2391 IAD, N = 1511 p-value2
Cerebrovascular event
IPH 8 / 577 (1.4%) 2 / 188 (1.1%) 3 / 238 (1.3%) 3 / 151 (2.0%)
No 125 / 577 (22%) 33 / 188 (18%) 59 / 238 (25%) 33 / 151 (22%)
SAH 7 / 577 (1.2%) 1 / 188 (0.5%) 1 / 238 (0.4%) 5 / 151 (3.3%)
Stroke 362 / 577 (63%) 133 / 188 (71%) 137 / 238 (58%) 92 / 151 (61%)
TIA 75 / 577 (13%) 19 / 188 (10%) 38 / 238 (16%) 18 / 151 (12%)
Local symptoms 408 / 576 (71%) 141 / 187 (75%) 157 / 238 (66%) 110 / 151 (73%) 0.086
Horner`s syndrome 116 / 576 (20%) 44 / 187 (24%) 42 / 238 (18%) 30 / 151 (20%) 0.3
Cervical pain 160 / 576 (28%) 54 / 187 (29%) 65 / 238 (27%) 41 / 151 (27%) >0.9
Headache 311 / 576 (54%) 109 / 187 (58%) 121 / 238 (51%) 81 / 151 (54%) 0.3
Tinnitus 71 / 576 (12%) 16 / 187 (8.6%) 38 / 238 (16%) 17 / 151 (11%) 0.063
Cranial nerve palsy 124 / 574 (22%) 35 / 186 (19%) 48 / 237 (20%) 41 / 151 (27%) 0.15

1 n / N (%)

2 Pearson's Chi-squared test

Table 2b

Clinical presentation by intra or extracranial territory

Characteristic Overall, N = 5781 CDIE, N = 1881 EAD, N = 2391 IAD, N = 1511 p-value2
Cerebrovascular event
IPH 8 / 577 (1.4%) 2 / 188 (1.1%) 3 / 238 (1.3%) 3 / 151 (2.0%)
No 125 / 577 (22%) 33 / 188 (18%) 59 / 238 (25%) 33 / 151 (22%)
SAH 7 / 577 (1.2%) 1 / 188 (0.5%) 1 / 238 (0.4%) 5 / 151 (3.3%)
Stroke 362 / 577 (63%) 133 / 188 (71%) 137 / 238 (58%) 92 / 151 (61%)
TIA 75 / 577 (13%) 19 / 188 (10%) 38 / 238 (16%) 18 / 151 (12%)
Local symptoms 408 / 576 (71%) 141 / 187 (75%) 157 / 238 (66%) 110 / 151 (73%) 0.086
Horner`s syndrome 116 / 576 (20%) 44 / 187 (24%) 42 / 238 (18%) 30 / 151 (20%) 0.3
Cervical pain 160 / 576 (28%) 54 / 187 (29%) 65 / 238 (27%) 41 / 151 (27%) >0.9
Headache 311 / 576 (54%) 109 / 187 (58%) 121 / 238 (51%) 81 / 151 (54%) 0.3
Tinnitus 71 / 576 (12%) 16 / 187 (8.6%) 38 / 238 (16%) 17 / 151 (11%) 0.063
Cranial nerve palsy 124 / 574 (22%) 35 / 186 (19%) 48 / 237 (20%) 41 / 151 (27%) 0.15

1 n / N (%)

2 Pearson's Chi-squared test

Table 2c

Clinical presentation by intra or extracranial location and anterior/posterior territory

Characteristic Anterior Territory Posterior Territory Anterior-Posterior Territory
Overall, N = 3651 CDIE, N = 1241 EAD, N = 1611 IAD, N = 801 p-value2 Overall, N = 2091 CDIE, N = 611 EAD, N = 771 IAD, N = 711 p-value3 Overall, N = 41 CDIE, N = 31 EAD, N = 11 p-value4
Cerebrovascular event 0.5 0.5
IPH 5 / 364 (1.4%) 1 / 124 (0.8%) 3 / 160 (1.9%) 1 / 80 (1.2%) 3 / 209 (1.4%) 1 / 61 (1.6%) 0 / 77 (0%) 2 / 71 (2.8%)
No 105 / 364 (29%) 26 / 124 (21%) 52 / 160 (32%) 27 / 80 (34%) 19 / 209 (9.1%) 6 / 61 (9.8%) 7 / 77 (9.1%) 6 / 71 (8.5%) 1 / 4 (25%) 1 / 3 (33%) 0 / 1 (0%)
SAH 3 / 364 (0.8%) 0 / 124 (0%) 0 / 160 (0%) 3 / 80 (3.8%) 4 / 209 (1.9%) 1 / 61 (1.6%) 1 / 77 (1.3%) 2 / 71 (2.8%)
Stroke 197 / 364 (54%) 81 / 124 (65%) 80 / 160 (50%) 36 / 80 (45%) 163 / 209 (78%) 50 / 61 (82%) 57 / 77 (74%) 56 / 71 (79%) 2 / 4 (50%) 2 / 3 (67%) 0 / 1 (0%)
TIA 54 / 364 (15%) 16 / 124 (13%) 25 / 160 (16%) 13 / 80 (16%) 20 / 209 (9.6%) 3 / 61 (4.9%) 12 / 77 (16%) 5 / 71 (7.0%) 1 / 4 (25%) 0 / 3 (0%) 1 / 1 (100%)
Local symptoms 247 / 363 (68%) 90 / 123 (73%) 102 / 160 (64%) 55 / 80 (69%) 0.2 159 / 209 (76%) 50 / 61 (82%) 54 / 77 (70%) 55 / 71 (77%) 0.3 2 / 4 (50%) 1 / 3 (33%) 1 / 1 (100%) >0.9
Horner`s syndrome 96 / 363 (26%) 37 / 123 (30%) 37 / 160 (23%) 22 / 80 (28%) 0.4 19 / 209 (9.1%) 6 / 61 (9.8%) 5 / 77 (6.5%) 8 / 71 (11%) 0.6 1 / 4 (25%) 1 / 3 (33%) 0 / 1 (0%) >0.9
Cervical pain 87 / 363 (24%) 31 / 123 (25%) 37 / 160 (23%) 19 / 80 (24%) >0.9 72 / 209 (34%) 23 / 61 (38%) 27 / 77 (35%) 22 / 71 (31%) 0.7 1 / 4 (25%) 0 / 3 (0%) 1 / 1 (100%) 0.2
Headache 185 / 363 (51%) 68 / 123 (55%) 76 / 160 (48%) 41 / 80 (51%) 0.4 125 / 209 (60%) 41 / 61 (67%) 44 / 77 (57%) 40 / 71 (56%) 0.4 1 / 4 (25%) 0 / 3 (0%) 1 / 1 (100%) 0.2
Tinnitus 43 / 363 (12%) 9 / 123 (7.3%) 25 / 160 (16%) 9 / 80 (11%) 0.10 27 / 209 (13%) 7 / 61 (11%) 12 / 77 (16%) 8 / 71 (11%) 0.7 1 / 4 (25%) 0 / 3 (0%) 1 / 1 (100%) 0.2
Cranial nerve palsy 71 / 363 (20%) 20 / 123 (16%) 34 / 160 (21%) 17 / 80 (21%) 0.5 52 / 207 (25%) 14 / 60 (23%) 14 / 76 (18%) 24 / 71 (34%) 0.093 1 / 4 (25%) 1 / 3 (33%) 0 / 1 (0%) >0.9

1 n / N (%)

2 Pearson's Chi-squared test

3 Fisher's exact test; Pearson's Chi-squared test

4 Fisher's exact test

Table 3

Disecction pattern

Characteristic Overall, N = 5781 CDIE, N = 1881 EAD, N = 2391 IAD, N = 1511 p-value2
Pattern 0.002
Dissecting aneurysm 62 / 539 (12%) 11 / 177 (6.2%) 29 / 216 (13%) 22 / 146 (15%)
Flap 40 / 539 (7.4%) 7 / 177 (4.0%) 17 / 216 (7.9%) 16 / 146 (11%)
Occlusion 192 / 539 (36%) 82 / 177 (46%) 66 / 216 (31%) 44 / 146 (30%)
Stenosis 245 / 539 (45%) 77 / 177 (44%) 104 / 216 (48%) 64 / 146 (44%)

1 n / N (%)

2 Pearson's Chi-squared test

library('fastDummies')

base <- dummy_cols(base, select_columns = 'Pattern')

base %>% select(`Pattern_Dissecting aneurysm`,Pattern_Flap, Pattern_Occlusion, Pattern_Stenosis, Territory) %>% tbl_summary(by=Territory, missing = "no",statistic = list(all_continuous() ~ "{mean} ({sd})", all_categorical() ~ "{n} / {N} ({p}%)")) %>%
  italicize_labels()%>% add_overall() %>%add_p()
## 1 observations missing `Territory` have been removed. To include these observations, use `forcats::fct_explicit_na()` on `Territory` column before passing to `tbl_summary()`.
Characteristic Overall, N = 5781 CDIE, N = 1881 EAD, N = 2391 IAD, N = 1511 p-value2
Pattern_Dissecting aneurysm 62 / 539 (12%) 11 / 177 (6.2%) 29 / 216 (13%) 22 / 146 (15%) 0.024
Pattern_Flap 40 / 539 (7.4%) 7 / 177 (4.0%) 17 / 216 (7.9%) 16 / 146 (11%) 0.055
Pattern_Occlusion 192 / 539 (36%) 82 / 177 (46%) 66 / 216 (31%) 44 / 146 (30%) 0.001
Pattern_Stenosis 245 / 539 (45%) 77 / 177 (44%) 104 / 216 (48%) 64 / 146 (44%) 0.6

1 n / N (%)

2 Pearson's Chi-squared test

Table 3b

Clinical presentation by disecction pattern

Characteristic Overall, N = 5401 Dissecting aneurysm, N = 621 Flap, N = 401 Occlusion, N = 1921 Stenosis, N = 2461 p-value2
Cerebrovascular event
IPH 7 / 539 (1.3%) 2 / 62 (3.2%) 2 / 40 (5.0%) 1 / 192 (0.5%) 2 / 245 (0.8%)
No 118 / 539 (22%) 21 / 62 (34%) 13 / 40 (32%) 14 / 192 (7.3%) 70 / 245 (29%)
SAH 7 / 539 (1.3%) 5 / 62 (8.1%) 1 / 40 (2.5%) 0 / 192 (0%) 1 / 245 (0.4%)
Stroke 337 / 539 (63%) 21 / 62 (34%) 19 / 40 (48%) 160 / 192 (83%) 137 / 245 (56%)
TIA 70 / 539 (13%) 13 / 62 (21%) 5 / 40 (12%) 17 / 192 (8.9%) 35 / 245 (14%)
Local symptoms 384 / 538 (71%) 45 / 62 (73%) 25 / 40 (62%) 119 / 190 (63%) 195 / 246 (79%) 0.001
Horner`s syndrome 108 / 538 (20%) 7 / 62 (11%) 11 / 40 (28%) 23 / 190 (12%) 67 / 246 (27%) <0.001
Cervical pain 150 / 538 (28%) 16 / 62 (26%) 13 / 40 (32%) 42 / 190 (22%) 79 / 246 (32%) 0.12
Headache 296 / 538 (55%) 35 / 62 (56%) 16 / 40 (40%) 91 / 190 (48%) 154 / 246 (63%) 0.004
Tinnitus 70 / 538 (13%) 7 / 62 (11%) 5 / 40 (12%) 20 / 190 (11%) 38 / 246 (15%) 0.5
Cranial nerve palsy 120 / 537 (22%) 13 / 62 (21%) 8 / 40 (20%) 39 / 190 (21%) 60 / 245 (24%) 0.8

1 n / N (%)

2 Pearson's Chi-squared test

library('fastDummies')

base <- dummy_cols(base, select_columns = 'Pattern')

base %>% select(`Pattern_Dissecting aneurysm`,Pattern_Flap, Pattern_Occlusion, Pattern_Stenosis, Territory) %>% tbl_summary(by=Territory, missing = "no",statistic = list(all_continuous() ~ "{mean} ({sd})", all_categorical() ~ "{n} / {N} ({p}%)")) %>%
  italicize_labels()%>% add_overall() %>%add_p()
## 1 observations missing `Territory` have been removed. To include these observations, use `forcats::fct_explicit_na()` on `Territory` column before passing to `tbl_summary()`.
Characteristic Overall, N = 5781 CDIE, N = 1881 EAD, N = 2391 IAD, N = 1511 p-value2
Pattern_Dissecting aneurysm 62 / 539 (12%) 11 / 177 (6.2%) 29 / 216 (13%) 22 / 146 (15%) 0.024
Pattern_Flap 40 / 539 (7.4%) 7 / 177 (4.0%) 17 / 216 (7.9%) 16 / 146 (11%) 0.055
Pattern_Occlusion 192 / 539 (36%) 82 / 177 (46%) 66 / 216 (31%) 44 / 146 (30%) 0.001
Pattern_Stenosis 245 / 539 (45%) 77 / 177 (44%) 104 / 216 (48%) 64 / 146 (44%) 0.6

1 n / N (%)

2 Pearson's Chi-squared test