Table 2.
Comparison of baseline characteristics between HE (>12.5 mL or 33%) and non-HE groups in the original cohort.
| Characteristics | Non-HE (n = 884) | HE (n = 182) | P-value |
|---|---|---|---|
| Age | 61.6 ± 12.6 | 60.7 ± 12.9 | 0.354 |
| Male sex | 559 (63.2) | 140 (76.9) | <0.001* |
| Hypertension | 710 (80.3) | 130 (71.4) | 0.008* |
| Diabetes mellitus | 98 (11.1) | 21 (11.5) | 0.897 |
| Current or previous smoking | 252 (28.5) | 49 (26.9) | 0.718 |
| Current or previous drinking | 242 (27.4) | 59 (32.4) | 0.169 |
| History of coronary heart disease | 12 (1.4) | 1 (0.5) | 0.366 |
| History of cerebral infarction | 33 (3.7) | 6 (3.3) | 0.775 |
| History of cerebral hemorrhage | 30 (3.4) | 15 (8.3) | 0.003* |
| Glasgow coma scale score | 14 (10–15) | 12 (8–15) | <0.001* |
| International normalized ratio | 0.99 (0.94–1.04) | 0.99 (0.94–1.05) | 0.385 |
| Glucose level, mmol/L | 7.0 (6.1–8.6) | 6.9 (6.0–8.2) | 0.275 |
| Platelet count, 103 cells/μL | 203 (168–243) | 201 (149–239) | 0.134 |
| Time from onset to initial CT, h | 3.0 (2.0–4.5) | 2.5 (1.5–3.5) | <0.001* |
| Location of ICH | 0.243 | ||
| Lobe | 81 (9.2) | 11 (6.0) | |
| Deep | 744 (84.2) | 162 (89.0) | |
| Infratentorial | 59 (6.7) | 9 (4.9) | |
| Baseline ICH volume, mL | 17.1 (9.4–28.3) | 21.3 (12.6–30.6) | 0.012* |
| Intraventricular extension | 312 (35.3) | 72 (39.6) | 0.275 |
ICH, intracerebral hemorrhage; HE, hematoma expansion; CT, computed tomography; SD, standard deviation; IQR, interquartile range.
*
Significant at P < 0.05.