The L-shaped correlation between systolic blood pressure and short-term and long-term mortality in patients with cerebral hemorrhage

Table 4 Subgroup analysis for the association of BP with risk of 1-month mortality by using “type of hemorrhage” as the covariat

Variables	Intracranial (n = 475)		Subdural (n = 230)		Subarachnoid (n = 341)
Variables	OR (95%CI)	P value	OR (95%CI)	P value	OR (95%CI)	P value
Systolic BP-max	0.996 (0.989, 1.002)	0.204	1.017 (1.004, 1.030)	0.009	1.000 (0.992, 1.009)	0.917
Systolic BP-min	0.986 (0.981, 0.991)	< 0.001	0.981 (0.973, 0.989)	< 0.001	0.989 (0.983, 0.995)	< 0.001
Diastolic BP-max	0.986 (0.979, 0.994)	< 0.001	1.009 (0.997, 1.020)	0.131	1.001 (0.993, 1.009)	0.892
Diastolic BP-min	0.974 (0.964, 0.984)	< 0.001	0.963 (0.946, 0.980)	< 0.001	0.982 (0.970, 0.993)	0.002

Adjust for age, sex, race, insurance, heart failure, myocardial infarct, malignant, cerebral infarction, diabetes, and chronic kidney disease
BP blood pressure

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