Table 5

Multivariable logistic regression analyses for each outcome for propensity matched cohorts

VariableOR (95% CI)p value
Major complications
 LOS 01.33 (0.68–2.63)0.56
 LOS 10.76 (0.54–1.06)0.11
 LOS 2Ref.
 LOS 31.33 (1.09–1.61)0.005*
 LOS 41.41 (1.05–2.21)0.024*
Minor complications
 LOS 01.04 (0.55–1.97)0.79
 LOS 10.86 (0.66–1.13)0.32
 LOS 2Ref.
 LOS 31.22 (1.03–1.43)0.032*
 LOS 41.58 (1.11–2.26)0.022*
Readmission
 LOS 00.86 (0.53–1.39)0.38
 LOS 10.94 (0.79–1.12)0.32
 LOS 2Ref.
 LOS 31.15 (1.03–1.29)0.041*
 LOS 41.18 (1.08–1.85)0.022*
  • CI = confidence interval; LOS = length of stay; OR = odds ratio; Ref. = reference category.

  • * Adjusted for all variables in Table 1 plus admission year.