(a) PHLF

Variables	Univariate			Multivariate
	OR	95% CI	p	OR	95% CI	p
Age	1.015	0.988–1.043	0.280
Gender	0.963	0.523–1.772	0.902
BMI (kg/m2)	0.989	0.914–1.071	0.793
ASA score	1.429	0.743–2.751	0.285
Indication of extended hepatectomy
Benign liver disease	Reference	Reference	Reference	Reference	Reference	Reference
Primary malignancy	1.367	0.256–7.290	0.714	0.810	0.120–5.470	0.828
Metastatic disease	2.306	1.159–4.591	0.017	1.897	0.806–4.463	0.141
Preoperative chemotherapy	1.679	0.723–3.896	0.228
Platelet count <150 x 109/L	4.658	1.678–12.929	0.003	4.351	1.266–14.953	0.020
Intraoperative blood loss (L)	1.159	1.036–1.297	0.010	0.884	0.615–1.271	0.506
Intraoperative RBC/FFP transfusion	2.617	1.343–5.098	0.005	2.226	0.859–5.769	0.099
Operation time (hour)	1.264	1.076–1.484	0.004	1.167	0.961–1.417	0.120