TABLE 1.
Baseline demographic information.
| Variable | Training set (n = 68) |
Validation set (n = 61) |
||||
| Expander (n = 21) | Non-expander (n = 47) | p-value | Expander (n = 19) | Non-expander (n = 42) | p-value | |
| Age (years) | 64.2 ± 14.7 | 61.2 ± 14.2 | 0.42 | 56.2 ± 10.6 | 57.1 ± 13.5 | 0.86 |
| Male (%)* | 13 (19.1) | 31 (45.6) | 0.75 | 6 (20.7) | 12 (41.4) | 0.98 |
| Admission SBP (mmHg) | 168.5 ± 8.8 | 165.0 ± 11.2 | 0.21 | 162.3 ± 9.1 | 166.1 ± 8.2 | 0.28 |
| Admission INR | 1.5 ± 0.2 | 1.5 ± 0.3 | 0.25 | 1.4 ± 0.3 | 1.5 ± 0.3 | 0.51 |
| Time to initial CT scan (h) | 3.1 ± 0.9 | 3.5 ± 1.1 | 0.21 | 3.9 ± 1.6 | 3.9 ± 1.8 | 0.96 |
| APTT (s) | 33.3 ± 4.9 | 32.0 ± 3.9 | 0.25 | 28.3 ± 6.5 | 29.5 ± 5.0 | 0.62 |
| Baseline GCS score | 12.2 ± 3.8 | 12.0 ± 3.4 | 0.84 | 13.7 ± 3.7 | 12.3 ± 3.8 | 0.37 |
SBP, systolic blood pressure; INR, international normalized ratio; APTT, activated partial thromboplastin time; GCS, Glasgow Coma Scale. Data are means ± standard deviations. ∗Data are the number of patients, with percentages in parentheses.