Retrospective Cohort Study
Copyright ©The Author(s) 2021.
World J Gastrointest Surg. Jan 27, 2021; 13(1): 19-29
Published online Jan 27, 2021. doi: 10.4240/wjgs.v13.i1.19
Table 2 Perioperative characteristics in the overweight and obese group (body mass index 25 kg/m²)
LH vs OH
LH cohort (n = 68)
OH cohort (n = 68)
P value
Operative data
Operative time (min)194 ± 88275 ± 131< 0.001
Major resection, n (%)14 (20.6)18 (26.5)0.419
Operative procedure, n (%)0.064
Atypical15 (22.1)23 (33.8)
Segmentectomy11 (16.2)10 (14.7)
Bisegmentectomy28 (41.2)17 (25.0)
Left hepatectomy0 (0.0)5 (7.4)
Right hepatectomy13 (19.1)13 (19.1)
Extended left hepatectomy0 (0.0)1 (1.5)
Conversion4 (5.9)-
Postoperative data
Intensive care/d0.8 ± 0.71.1 ± 0.80.031
Hospitalization/d7.3 ± 3.615.7 ± 13.5< 0.001
Blood transfusion12 (17.6)16 (23.5)0.396
Hospital mortality, n (%)0 (0.0)3 (4.4)0.080
Postoperative complications, n (%)0.065
No complications54 (79.4)37 (54.4)
Clavien-Dindo I4 (5.9)5 (7.4)
Clavien-Dindo II5 (7.4)8 (11.8)
Clavien-Dindo IIIa4 (5.9)8 (11.8)
Clavien-Dindo IIIb1 (1.5)3 (4.4)
Clavien-Dindo IVa0 (0.0)4 (5.9)
Clavien-Dindo IVb0 (0.0)0 (0.0)
Clavien-Dindo V0 (0.0)3 (4.4)
Clavien ≥ IIIb1 (1.5)10 (14.7)
Clavien ≥ I14 (20.6)31 (45.6)
Biliary leakage1 (1.5)10 (14.7)0.005
Liver failure0 (0.0)4 (5.9)0.042
Surgical site infections2 (2.9)6 (8.8)0.145
Pneumonia0 (0.0)6 (8.8)0.012
CCI3.9 ± 9.115.4 ± 23.60.000
Estimated cost (€)10060 ± 153711789 ± 59730.779