Table 1 Sex differences in clinical features and risk factors among patients with SAO
Characteristics | Men (n = 1696) | Women (n = 828) | t/χ2 | df | P |
|---|---|---|---|---|---|
Age, years, means (SD) | 61.93 (11.41) | 65.62 (10.86) | 7.736 | 2522 | < 0.001 |
Age group, n (%) |  |  | 34.828 | 1 | < 0.001 |
 < 75 years | 1435 (84.6) | 620 (74.9) |  |  |  |
 ≥ 75 years | 261 (15.4) | 208 (25.1) |  |  |  |
OCSP classification, n (%) | |||||
 PACI | 642 (37.9) | 354 (42.8) | 5.592 | 1 | ns |
 TAPI | 30 (1.8) | 13 (1.6) | 0.131 | 1 | ns |
 LACI | 473 (27.9) | 220 (26.6) | 0.486 | 1 | ns |
 POCI | 551 (32.5) | 241 (29.1) | 2.955 | 1 | ns |
Stroke severity*, n (%) | |||||
 Mild | 1427 (84.1) | 656 (79.6) | 7.930 | 1 | 0.005 |
 Moderate | 234 (13.8) | 141 (17.1) | 4.810 | 1 | ns |
 Severe | 35 (2.1) | 27 (3.3) | 3.400 | 1 | ns |
Risk factors, n (%) | |||||
 Hypertension | 1278 (75.4) | 638 (77.1) | 0.879 | 1 | ns |
 Diabetes | 514 (30.3) | 303 (36.6) | 10.048 | 1 | 0.002 |
 Atrial fibrillation | 41 (2.4) | 18 (2.2) | 0.145 | 1 | ns |
 Obesity | 139 (8.2) | 152 (18.4) | 56.325 | 1 | < 0.001 |
 Current smoking | 854 (50.4) | 99 (12.0) | 349.041 | 1 | < 0.001 |
 Alcohol drinking | 459 (27.1) | 15 (1.8) | 232.599 | 1 | < 0.001 |
Neurological function†| |||||
 NIHSS | 4 (4) | 4 (5) | 15.928 | 1 | < 0.001 |
 mRS | 2 (3) | 3 (3) | 12.908 | 1 | < 0.001 |
 BI | 75 (45) | 70 (45) | 33.129 | 1 | < 0.001 |
Laboratory testing, mmol/L, means (SE) | |||||
 FPG | 6.37 (2.72) | 6.58 (2.73) | 1.633 | 1954 | ns |
 TC | 4.74 (0.95) | 5.23 (1.04) | 11.291 | 2423 | < 0.001 |
 TG | 1.64 (0.99) | 1.71 (0.96) | 1.153 | 2423 | ns |
 HDL-C | 1.04 (0.59) | 1.15 (0.29) | 4.650 | 2407 | < 0.001 |
 LDL-C | 2.92 (0.78) | 3.15 (0.83) | 6.594 | 2405 | < 0.001 |