Table 1.
Comparison of variables between expanders and nonexpanders.
| Clinical variables | Expander (246) | Nonexpander (911) | P Value |
|---|---|---|---|
| Men | 187 (76.0%) | 573 (62.9%) | <.001 |
| Age (years) | 61.0 ± 12.9 | 61.7 ± 12.8 | .408 |
| Glasgow Coma Score a | 10.9 ± 3.5 | 12.4 ± 3.1 | <.001 |
| Time to initial CT scan (h) | 2.6 ± 1.3 | 3.2 ± 1.4 | <.001 |
| Reexamine time (h) | 16.0 ± 14.4 | 23.5 ± 15.9 | <.001 |
| Platelet (×109/L) b | 197 ± 64 | 209 ± 76 | .026 |
| Hemoglobin (g/L) b | 142 ± 19 | 138 ± 16 | .001 |
| White blood cell (×109/L) b | 9.49 ± 4.01 | 9.94 ± 3.70 | .066 |
| Red blood cell (×1012/L) b | 4.61 ± 0.57 | 4.50 ± 0.56 | .005 |
| Glucose (mmol/L) b | 7.74 ± 2.65 | 7.77 ± 2.68 | .860 |
| International normalized ratio c | 1.05 ± 0.27 | 1.01 ± 0.15 | .014 |
| Fibrinogen (g/L) c | 3.15 ± 0.81 | 3.50 ± 1.03 | <.001 |
| Albumin (g/L) d | 39.1 ± 5.3 | 40.0 ± 5.5 | .043 |
| Alanine transaminase (U/L) e | 31 ± 20 | 29 ± 32 | .365 |
| Aspartate transaminase (U/L) f | 33 ± 19 | 30 ± 22 | .130 |
| Total cholesterol (mmol/L) g | 4.95 ± 1.48 | 5.29 ± 1.28 | .002 |
| Triglycerides (mmol/L) g | 1.57 ± 1.34 | 1.67 ± 1.44 | .346 |
| HDL-C (mmol/L) g | 1.26 ± 0.35 | 1.29 ± 0.59 | .476 |
| LDL-C (mmol/L) g | 2.90 ± 1.14 | 3.17 ± 0.99 | .001 |
| Baseline hematoma volume (mL) | 26.83 ± 18.64 | 19.84 ± 15.03 | <.001 |
| Location of hemorrhage | .279 | ||
| Deep gray matter | 205 (83.3%) | 745 (81.8%) | |
| Lobar regions | 20 (8.1%) | 78 (8.6%) | |
| Cerebellum | 5 (2.0%) | 44 (4.8%) | |
| Brain stem | 6 (2.4%) | 20 (2.2%) | |
| Multiple locations | 10 (4.1%) | 24 (2.6%) | |
| Intraventricular extension | 101 (41.1%) | 328 (36.0%) | .145 |
| Black hole sign | 68 (27.6%) | 111 (12.2%) | <.001 |
| Blend sign | 88 (35.8%) | 115 (12.6%) | <.001 |
| Satellite sign | 147 (59.8%) | 429 (47.1%) | <.001 |
| Midline shift (mm) h | 4.17 ± 2.95 | 3.38 ± 2.57 | <.001 |
| History of hemorrhage | 15 (6.1%) | 31 (3.4%) | .055 |
| History of infarction | 8 (3.3%) | 42 (4.5%) | .353 |
| History of diabetes mellitus | 23 (9.3%) | 100 (11.0%) | .586 |
| History of hypertension | 176 (71.5%) | 728 (79.9%) | .005 |
| Smoking | 71 (28.9%) | 253 (27.8) | .735 |
| Drinking | 76 (30.9%) | 248 (27.2%) | .255 |
Note: HDL-C = high density lipoprotein cholesterol, LDL-C = low density lipoprotein cholesterol.
a
30/1157 (2.6%) missing values.
b
4/1157 (<1.0%) missing values.
c
7/1157 (<1.0%) missing values.
d
146/1157 (12.6%) missing values.
e
88/1157 (7.6%) missing values.
f
112/1157 (9.7%) missing values.
g
185/1157 (16.0%) missing values.
h
28/1157 (2.4%) missing values.