Low preoperative platelet counts predict a high mortality after partial hepatectomy in patients with hepatocellular carcinoma

Table 1 Risk factors for morbidity after hepatectomy

Variable	Number of patients	Univariate analysis	Multivariate analysis
		P	β	Risk ratio	95%CI	P
Estimated blood loss (mL)		<0.001	1.370	3.935	1.578-9.814	0.003
≤ 800 (n = 91)	8
> 800 (n = 107)	42
Blood transfusion		<0.001	1.309	3.704	1.520-9.009	0.004
No (n = 94)	9
Yes (n = 104)	41
Operative time (min)		<0.001	-	-	-	-
≤ 300 (n=96)	13
> 300 (n=102)	37
Blood platelet count (×104/μL)		0.022	1.043	3.069	1.287-6.250	0.01
≤ 10 (n=49)	19
> 10 (n=149)	31

CI: Confidence interval.