Table 2 Univariate analysis of risk factors for ICAS and ECAS
| Â | Intracranial artery | Extracranial artery | |||||
|---|---|---|---|---|---|---|---|
Without ICAS | ICAS | p | Without ECAS | ECAS | p | ||
Age | 2598 | 55 ± 11 | 61 ± 11 | <0.001 | 52 ± 10 | 63 ± 10 | <0.001 |
Male, n(%) | 2598 | 1033 (41.7) | 51 (41.5) | 0.95 | 664 (36.6) | 420 (53.6) | <0.001 |
BMI (kg/m2) | 2598 | 25.5 ± 3.9 | 25.9 ± 3.5 | 0.24 | 25.5 ± 3.9 | 25.6 ± 3.9 | 0.78 |
Waistline (cm) | 2598 | 84.1 ± 11.1 | 85.3 ± 10.9 | 0.24 | 84.1 ± 10.8 | 84.4 ± 11.6 | 0.50 |
HTN, n(%) | 2598 | 611 (24.7) | 70 (56.9) | <0.001 | 376 (20.7) | 305 (28.6) | <0.001 |
DM, n(%) | 2598 | 169 (6.8) | 28 (22.8) | <0.001 | 108 (6.0) | 89 (11.4) | <0.001 |
Smoking habit, n(%) | 2598 | 480 (19.4) | 31 (25.2) | 0.11 | 315 (17.4) | 196 (25.0) | <0.001 |
Alcohol intake, n(%) | 2598 | 397 (16.0) | 18 (14.3) | 0.68 | 261 (14.4) | 154 (19.6) | 0.001 |
Mean SBP (mmHg) | 2598 | 129 ± 19 | 137 ± 22 | <0.001 | 127 ± 18 | 136 ± 21 | <0.001 |
Mean DBP (mmHg) | 2598 | 81 ± 10 | 84 ± 10 | 0.003 | 81 ± 10 | 83 ± 10 | <0.001 |
Fasting glucose (mmol/l) | 2598 | 5.5 ± 1.8 | 6.0 ± 2.4 | 0.04 | 5.5 ± 1.9 | 5.7 ± 1.9 | 0.002 |
TCHO (mmol/l) | 2598 | 5.5 ± 1.5 | 5.5 ± 1.8 | 0.82 | 5.4 ± 1.6 | 5.6 ± 1.5 | 0.005 |
TG (mmol/l) | 2598 | 1.7 ± 1.2 | 1.7 ± 1.0 | 0.72 | 1.8 ± 1.2 | 1.8 ± 1.3 | 0.82 |
Creatine (umol/l) | 2598 | 79.8 ± 23 | 79.4 ± 23 | 0.86 | 79.3 ± 23.0 | 80.9 ± 23.0 | 0.12 |