The efficacy of oxidised regenerated cellulose powder in reducing blood loss during primary total hip arthroplasty: a retrospective cohort study

Table 4 Multivariate regression analysis for the postoperative hemoglobin drop

Postoperative Hb drop	Unstandardized coefficient			Standardized coefficient	t	P
Postoperative Hb drop	B	SE	95% CI	β	t	P
Use of ORC powder	-0.49	0.08	-0.65 − -0.33	-0.338	-6.06	< 0.001
Diagnosis	0.15	0.06	0.04 − 0.26	0.150	2.69	0.008

Multivariate regression analysis for the postoperative Hb drop was calculated with the backward elimination method for included variables in this study. Hb, hemoglobin; ORC, Oxidized regenerated cellulose

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