Table V. Univariate analysis of risk factors for overall morbidity after hepatic resection.

Variable		No. of patients with complications	Percentage (%)	p value
Age (years)	>50	64/119	53.8	0.007*
	<50	44/122	27.9
Gender	Male	64/144	44.4	0.896
	Female	44/97	45.4
Diagnosis	Benign	22/84	26.2	<0.001*
	Malignant	86/157	54.8
Comorbid medical conditions	No	60/164	36.6	<0.001*
	Yes	48/77	62.3
Clinical jaundice	No	74/189	39.1	0.001*
	Yes	34/52	65.4
Preoperative serum bilirubin (>10 mg)	No	92/216	42.6	0.055
	Yes	16/25	64
Preoperative serum creatinine (>1.3 mg/dl)	No	98/229	42.8	0.007*
	Yes	10/12	83.3
Preoperative serum albumin	Normal (>3.5 g/dl	68/172	39.5	0.010
	Subnormal (<3.5 g/dl)	40/69	58
Preoperative platelet count	>150 000	96/217	44.2	0.667
	<150 000	12/24	50
Prothrombin time	Normal	95/219	43.3	0.181
	Deranged	13/22	59.1
HBsAg status	No	83/200	41.5	0.006*
	Yes	12/15	80
Extent of hepatic resection	Minor (≤2 segments)	52/130	40	0.119
	Major (>2 segments)	56/111	50.5
Complex hepatectomy	No	62/155	40	0.058
	Yes	46/86	53.5
Bile duct excision	No	76/181	42	0.136
	Yes	32/60	53.3
Elective/emergency	Elective	99/229	43.2	0.038*
	Emergency	9/12	75
Liver cancer with cirrhosis	No	94/226	41.6	<0.001*
	Yes	14/15	93.3
Gall bladder cancer with jaundice	No	88/213	41.3	0.004*
	Yes	20/28	71.4
Pringle manoeuvre	No	55/138	51.5	0.089
	Yes	53/103	39.9
Intraoperative blood transfusion	No	8/36	22.2	0.003*
	Yes	100/205	48.8
Intraoperative blood transfusion (units)	<3 units	46/141	32.6	<0.001*
	>3 units	62/100	62
Techniques of resection	Kellyclysis	59/139	42.8	0.513
	CUSA	49/102	47.6
Duration of surgery	>180 min	97/200	43.9	0.015*
	<180 min	11/41	26.8
Liver pathology	Non-cirrhotic	91/221	41.2	<0.001*
	Cirrhotic	17/20	85
Year 1996–2000		36/66	54.5	0.081
Year 2001–2005		72/175	41.1

*Significant p value.