Table 1.

Comparison of baseline data between the observation and control groups

Factors	Observation group (n = 139)	Control group (n = 211)	χ2 Value	P Value
Age (years)
< 40	21	26	0.697	0.706
40-50	39	65
> 50	79	120
Sex
Male	86	114	2.104	0.147
Female	53	97
Time from onset to admission
< 12 h	81	108	1.695	0.193
≥ 12 h	58	103
Hemorrhage location
Basal ganglia	82	131	0.904	0.636
Lobar	35	44
Thalamus	22	36
Duration of hypertension (years)
< 5	67	110	2.883	0.237
5-10	53	84
> 10	19	17
Preoperative hypertension grade
I	30	53	2.485	0.288
II	76	122
III	33	36
Intracerebral hemorrhage volume (mL)
< 60	53	74	0.339	0.560
≥ 60	86	137
History of diabetes
Yes	18	32	0.336	0.562
No	121	179