Table 4.

Correlation between vital signs and postpartum hemorrhage

	SI		HR		SBP		DBP		SatO2		RR
Period	Correlation	P-value	Correlation	P-value	Correlation	P-value	Correlation	P-value	Correlation	P-value	Correlation	P-value
0-20 min	0.1814	0.0032	0.19409	0.0016	-0.00835	0.8934	0.02526	0.6852	0.11337	0.0696	-0.21599	0.0918
21-40 min	0.2209	0.0003	0.31043	<0.0001	-0.07713	0.2125	-0.02205	0.7219	0.04078	0.5118	-0.14637	0.2102
41-60 min	0.2194	0.0003	0.26496	<0.0001	-0.05704	0.3532	-0.02129	0.7292	0.14774	0.0161	-0.03028	0.7661
61-90 min	0.2581	<0.0001	0.30499	<0.0001	-0.03550	0.5636	0.06459	0.2930	0.11716	0.0578	-0.04430	0.6443
91-120 min	0.3229	<0.0001	0.43652	<0.0001	0.09574	0.2407	0.10913	0.1808	0.13122	0.1196	-0.04741	0.7099

SI – shock index, HR – heart rate, SPB – systolic blood pressure, DPB – diastolic blood pressure, SatO₂ – oxygen saturation, RR – respiratory rate