Table 4.

Effect of Experience on Complexity Scoring

Procedure	Group 1 score, <500resections	Group 2 score, >500resections	p Value
Peripheral wedge resection, < 3 cm	1.401	1.288	0.464
Left lateral sectionectomy	2.020	1.929	0.656
Left hepatectomy without caudate resection	4.633	4.152	0.245
Right hepatectomy	4.871	4.820	0.838
Right posterior sectionectomy	5.800	5.167	0.362
Left hepatectomy with caudate resection	5.818	5.228	0.184
Isolated caudate resection	6.136	5.658	0.361
Right trisectionectomy	6.521	5.909	0.176
Right anterior sectionectomy	6.837	6.333	0.245
Right hepatectomy with caudate resection	7.029	6.521	0.362
Right hepatectomy with hepaticojejunostomy	6.778	6.876	0.838
Anatomic middle hepatectomy	7.733	6.714	0.176
Right trisectionectomy with caudate resection	7.495	6.999	0.386
Left trisectionectomy without caudate resection	7.546	7.191	0.690
Right trisectionectomy with hepaticojejunostomy	7.639	7.396	0.656
Left trisectionectomy with caudate resection	8.6	7.922	0.176
Right hepatectomy with portal vein reconstruction, main to left	9.145	8.407	0.176
Right trisectionectomy with portal vein reconstruction, main to left	9.396	8.629	0.176
Right hepatectomy with IVC reconstruction	9.826	8.938	0.176