Establishment and validation of prognosis model for patients with cerebral contusion

BMC Neurology

Table 1 Clinical characteristics of patients in the training and validation cohort

Variables	Training cohort (N = 284)	Validation cohort(N = 142)	I²	P Value
Age(Y)			3.468	0.672
<65	244	122
≥65	40	20
SEX			2.142	0.704
M	236	121
F	48	21
Basal cistern status			1.451	0.519
Normal	212	109
Compressed	65	29
Absent	7	4
MLS (cm)			2.830	0.651
≤0.5	163	72
>0.5	121	70
GCS			2.327	0.821
Mild	129	66
Moderate	143	70
Severe	12	6
CT grading			3.484	0.253
1	74	28
2	50	27
3	90	49
4	50	31
5	20	7
ICP(mmH2O)			1.782	0.636
<180	60	40
≥180	224	102
C-G/L			3.328	0.485
0.8–1.4	80	33
1.41–2.0	114	79
>2.0	90	30
CT Value(Hu)			1.238	0.173
7–14	21	15
14.1–21	213	102
>21	50	25
Volume of contusion (ml)			2.632	0.739
≤10	95	36
≤20	79	38
≤30	53	43
≤40	50	22
≤50	4	1
>50	3	2

ISSN: 1471-2377