Retrospective Cohort Study
Copyright ©The Author(s) 2015.
World J Gastroenterol. Jun 21, 2015; 21(23): 7218-7224
Published online Jun 21, 2015. doi: 10.3748/wjg.v21.i23.7218
Table 3 Association between operative difficulty, length of hospital stay, and cost with body mass index
VariableBMI < 24 kg/m2BMI ≥ 24 kg/m2TotalOR95%CIP value
(n = 206)(n = 156)(n = 362)
Mean operative time (min)229.59235.03231.910.9420.651-1.3620.6050
Mean intraoperative blood loss (mL)450520.41481.160.9260.617-1.3890.4433
Blood transfusion, n103791820.7030.413-1.1970.9311
Mean hospital stay (d)21.8524.2222.870.9680.670-1.3980.1167
Mean cost (in RMB)78519.6276160.0577527.281.4930.760-2.9310.8532