Table 2.

Comparisons of demographics between the MLR_admission groups.

Variables	≤ 0.76 (n=302)	> 0.76 (n=250)	Standardize diff.	P-value
Male	199 (65.89)	205 (82.00)	0.37 (0.20, 0.54)	<0.001
Age, years	47.71 ± 15.77	47.02 ± 18.60	0.04 (-0.13, 0.21)	0.639
MAP, mmHg	99.15 ± 17.43	101.26 ± 18.29	0.12 (-0.05, 0.29)	0.166
GCS level			0.24 (0.07, 0.41)	0. 020
Mild	164 (54.30)	109 (43.60)
Moderate	65 (21.52)	56 (22.40)
Severe	73 (24.17)	85 (34.00)
Injury mechanism			0.14 (-0.04, 0.31)	0.311
Mild	59 (21.15)	56 (24.45)
Moderate	8 (2.87)	11 (4.80)
Severe	212 (75.99)	162 (70.74)
Hypertension	23 (8.01)	26 (10.83)	0.10 (-0.07, 0.27)	0.267
Diabetes	13 (4.36)	11 (4.44)	0.00 (-0.16, 0.17)	0.967
Neurosurgery treatment	49 (16.23)	74 (29.60)	0.32 (0.15, 0.49)	<0.001
Intraventricular hemorrhage	19 (6.33)	25 (10.04)	0.14 (-0.03, 0.30)	0.111
Subarachnoid hemorrhage	211 (70.10)	196 (78.71)	0.20 (0.03, 0.37)	0.022
Subdural hemorrhage	182 (60.47)	186 (74.40)	0.30 (0.13, 0.47)	<0.001
Extradural hemorrhage	71 (23.59)	64 (25.70)	0.05 (-0.12, 0.22)	0.566
Coagulopathy	18 (7.44)	24 (11.06)	0.13 (-0.06, 0.31)	0.179
Location of contusion			0.10 (-0.07, 0.26)	0.870
Frontal	133 (44.04)	119 (47.60)
Temporal	136 (45.03)	101 (40.40)
Parietal	14 (4.64)	13 (5.20)
Occipital	5 (1.66)	5 (2.00)
Basal ganglia, brainstem, or cerebellum	14 (4.64)	12 (4.80)
tICH volume, ml	6.16 ± 12.16	12.16 ± 17.71	0.40 (0.21, 0.58)	<0.001
In-hospital death	4 (1.32)	20 (8.00)	0 32 (0.15, 0.49)	<0.001
6-month unfavorable prognosis	11 (11.00)	37 (36.27)	0.62 (0.34, 0.91)	<0.001

tICH, acute traumatic intraparenchymal hematoma, referring to the largest volume of parenchymatous hematoma within 48 hours after cerebral contusion as measured by baseline CT or follow-up CT.