Table II.

Volume and proportion of inpatient hepatic procedures for benign liver tumors, 2000–2011

	Overall	Period 1 (2000–2003)	Period 2 (2004–2007)	Period 3 (2008–2011)
Total (n)	2,633	705	858	1,070
Hepatic wedge resection	207 (7.9)	79 (11.2)	69 (8.0)	59 (5.5)
Partial hepatectomy	1,153 (43.8)	280 (39.7)	339 (39.5)	534 (49.9)
Hepatic lobectomy	660 (25.1)	183 (26.0)	235 (27.4)	242 (22.6)
Other procedure*	613 (23.3)	163 (23.1)	215 (25.0)	235 (21.9)
Open, n (%)	2,489 (94.5)	674 (95.6)	817 (95.2)	998 (93.2)
MIS, n (%)	144 (5.5)	31 (4.3)	41 (4.8)	72 (6.8)

^*Other procedure includes liver ablation, cauterization of hepatic lesion and enucleation of hepatic lesion.

MIS, Minimally invasive surgery.