Table 2.

Multivariate regression analysis on the independent risk factors of hematoma enlargement in 256 patients.

Independent variable	Coefficient of regression	OR	95% CI		P value
			Lower	Upper
Male patient	1.066	2.903	1.189	7.086	0.019*
Baseline NIHSS	0.089	1.094	0.993	1.204	0.089
Baseline GCS (14~15)
Baseline GCS (8~13)	0.970	1.346	0.525	3.451	0.536
Baseline GCS (3~7)	1.054	2.869	0.478	17.238	0.249
Duration (>6~24 h)
Duration (>4~6 h)	0.106	1.112	0.273	4.524	0.883
Duration (>2~4 h)	0.698	2.009	0.815	4.954	0.130
Duration (>1~2 h)	1.126	3.082	1.046	9.083	0.041*
Duration (0~1 h)	1.324	3.759	1.025	13.789	0.046*
AST	0.008	1.008	0.997	1.018	0.145
Not used
RBS	−1.166	0.312	0.053	1.835	0.197
PBC	−0.026	0.975	0.461	2.058	0.946

Note: ∗ means P < 0.05.