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. Author manuscript; available in PMC: 2017 Aug 18.
Published in final edited form as: J Am Coll Surg. 2016 Apr 9;223(2):332–342. doi: 10.1016/j.jamcollsurg.2016.03.039

Table 6.

Comparison of Procedural Complexity in 2 Hypothetical Groups of Patients

Group 1 Group 2
Procedure n Unit complexity score Mean complexity score n Unit complexity score Mean complexity score
Peripheral wedge resection 12 1.36 16.32 8 1.36 10.88
Left lateral sectionectomy 26 1.99 51.74 18 1.99 35.82
Right posterior sectionectomy 10 5.48 54.80 14 5.48 76.72
Right anterior sectionectomy 2 6.58 13.16 10 6.58 65.80
Left hepatectomy 14 4.39 61.46 8 4.39 35.12
Right hepatectomy 24 4.87 116.88 20 4.87 97.40
Right trisectionectomy 10 6.21 62.10 18 6.21 111.78
Right hepatectomy with PV reconstruction 2 8.75 17.50 4 8.75 35.00

Group 1 mean complexity score = 3.94 (1.84 SD); group 2 mean complexity score = 4.69 (1.94SD); p = 0.006.