Table 1.
Comparison of baseline characteristics between HE (>6 mL or 33%) and non-HE groups in the original cohort.
| Characteristics | Non-HE (n = 841) | HE (n = 225) | P-value |
|---|---|---|---|
| Age | 61.6 ± 12.7 | 60.9 ± 12.5 | 0.468 |
| Male sex | 527 (62.7) | 172 (76.4) | <0.001* |
| Hypertension | 680 (80.9) | 160 (71.1) | 0.001* |
| Diabetes mellitus | 94 (11.2) | 25 (11.1) | 0.978 |
| Current or previous smoking | 235 (27.9) | 66 (29.3) | 0.681 |
| Current or previous drinking | 232 (27.6) | 69 (30.7) | 0.362 |
| History of coronary heart disease | 10 (1.2) | 3 (1.3) | 0.861 |
| History of cerebral infarction | 32 (3.8) | 7 (3.1) | 0.622 |
| History of cerebral hemorrhage | 29 (3.5) | 16 (7.1) | 0.015* |
| Glasgow coma scale score | 14 (11–15) | 11 (8–15) | <0.001* |
| International normalized ratio | 0.99 (0.94–1.04) | 0.99 (0.94–1.05) | 0.209 |
| Glucose level, mmol/L | 7.0 (6.0–8.6) | 7.0 (6.0–8.2) | 0.631 |
| Platelet count, 103 cells/μL | 204 (168–244) | 199 (153–238) | 0.06 |
| Time from onset to initial CT, h | 3.0 (2.0–4.5) | 2.5 (1.5–3.5) | <0.001* |
| Location of ICH | 0.242 | ||
| Lobe | 76 (9.0) | 16 (7.1) | |
| Deep | 707 (84.1) | 199 (88.4) | |
| Infratentorial | 58 (6.9) | 10 (4.4) | |
| Baseline ICH volume, mL | 16.2 (9.1–27.0) | 24.4 (13.9–35.4) | <0.001* |
| Intraventricular extension | 291 (34.6) | 93 (41.3) | 0.062 |
Continuous variables are presented as mean ± SD or median (IQR); Categorical variables are presented as n (%).
ICH, intracerebral hemorrhage; HE, hematoma expansion; CT, computed tomography; SD, standard deviation; IQR, interquartile range.
*
Significant at P < 0.05.