Table 4.

Accumulated Duration of PIH in the First 15 Min and Incidence of IOH, Before and After Propensity Score Matching

	Group L	Group M	Estimated Difference (95% CI)	p value
Before matching
Duration of PIH(min)	0(0,5)	0(0,4)	–	0.208
IOH, n(%)	211(62.4)	107(50.5)	0.84(0.59–1.19)	0.323
After matching
Duration of PIH(min)	1(0,6)	0(0,3)	–	0.013
IOH, n(%)	94(64.4)	79(54.1)	0.65(0.41–1.04)	0.075

Notes: Data are presented as median (P25, P75) or number (percentage).

Abbreviations: PIH, post-induction hypotension; IOH, intraoperative hypotension.