Table 1 Demographic and anthropometric characteristics of the study participants
From: Risk factors for aneurysm rupture among Kazakhs: findings from a national tertiary hospital
Variable | Ruptured aneurysms, n = 521 (68.37%) | Unruptured aneurysms, n = 241 (31.63%) | p-value | All, N = 762 (100%) |
|---|---|---|---|---|
Age (years), mean ± SD | 47.13 ± 0.52 | 51.42 ± 0.77 | < 0.001 | 48.49 ± 0.44 |
Age group (years), n (%) | ||||
16–40 | 141 (79.66%) | 36 (20.34%) | < 0.001 | 177 (23.23%) |
41–49 | 137 (69.19%) | 61 (30.81%) | 198 (25.98%) | |
50–56 | 118 (69.41%) | 52 (30.59%) | 170 (22.31%) | |
57–81 | 125 (57.60%) | 92 (42.40%) | 217 (28.48%) | |
Sex | ||||
Female | 286 (63.41%) | 165 (36.59%) | < 0.001 | 451 (59.19%) |
Male | 235 (75.56%) | 76 (24.44%) | 311 (40.81%) | |
Smoking | ||||
No | 360 (63.16%) | 210 (36.84%) | < 0.001 | 570 (74.80%) |
Yes | 161 (83.85%) | 31 (16.15%) | 192 (25.20%) | |
Arterial hypertension | ||||
Normal | 129 (58.64%) | 91 (41.36%) | 220 (28.87%) | |
Stage 1 hypertension | 18 (50%) | 18 (50%) | < 0.001 | 36 (4.72%) |
Stage 2 hypertension | 107 (61.14%) | 68 (38.86%) | 175 (22.97%) | |
Stage 3 hypertension | 267 (80.66%) | 64 (19.34%) | 331 (43.44%) | |
Aneurysm size (mm), mean ± SD | 8.15 ± 0.27 | 13.41 ± 0.67 | < 0.001 | 9.81 ± 0.29 |
Aneurysm size group, n (%) | ||||
Small, < 6 mm | 228 (78.62%) | 62 (21.38%) | < 0.001 | 290 (38.06%) |
Medium, ≥ 6 mm or < 15 | 235 (69.94%) | 101 (30.06%) | 336 (44.09%) | |
Large, ≥ 15 mm or < 25 mm | 40 (50.63%) | 39 (49.37%) | 79 (10.37%) | |
Giant, ≥ 25 mm | 18 (31.58%) | 39 (68.42%) | 57 (7.48%) | |
Location | ||||
ICA | 149 (50.51%) | 146 (49.49%) | < 0.001 | 295 (38.71%) |
ACA | 200 (87.82%) | 28 (12.28%) | 228 (29.92%) | |
MCA | 151 (75.50%) | 49 (24.50%) | 200 (26.25%) | |
PCA | 21 (53.85%) | 18 (46.15%) | 39 (5.12%) | |