Table 2. Patient characteristics.
| Patients with ICH | |||||
| Variables | Anti-platelet agents | ||||
| + | − | ||||
| N | 432 (100) | 66 (15.3) | 366 (84.7) | P-value | |
| Age | 432 | 67 (57, 75) | 74 (64, 78) | 65 (56,74) | <0.0001 |
| Observation time(day) | 432 | 33.5 (2.0, 151.3) | 11 (2, 104.5) | 38.5 (2, 174) | 0.13 |
| Elapsed time(hour) | 431 | 2 (1, 3) | 1.5 (1, 2.3) | 2 (1,3) | 0.53 |
| Glasgow Coma Scale | 432 | 6 (4,13) | 7 (4,13) | 6.5 (4,13) | 0.92 |
| Volume of hemorrhage | 427 | 68 (27, 168) | 83 (34.8, 185.5) | 65.3 (26.8, 168) | 0.39 |
| Laboratory data | |||||
| Platelet (104/µL) | 427 | 19.6(15.6, 24.7) | 18.7 (16.0, 22.1) | 19.7 (15.5, 24.9) | 0.42 |
| Prothrombin time (%) | 423 | 97 (86, 103) | 95 (80.5, 100.3) | 98 (88, 105) | 0.01 |
| aPTT (sec) | 422 | 31.1 (27.9, 34.6) | 33.2 (29.3, 36.8) | 30.8 (27.7, 34.4) | 0.008 |
| Fibrinogen (mg/dL) | 419 | 347 (291, 413) | 371 (313.5, 463) | 339.5 (289,402.5) | 0.01 |
Continous variables are presented as median (25, 75 percentile) and are compared using the Wilcoxon's test.
Elasped time: time at arrival at emergency treatment center minus estimated onset time.
aPTT: activated partial thromboplastin time. APA: anti-platelet agents.