Table 6 Univariate and multivariate Cox proportional hazards analysis of time to return to work

Age (years)

0.982

(0.935–1.030)

0.452

0.993

(0.936～1.053)

0.818

BMI

0.974

(0.901–1.053)

0.502

0.943

(0.862～1.031)

0.197

ASA

0.599

(0.356–1.008)

0.054

0.610

(0.333～1.115)

0.108

Surgical approach

vNOTES vs. LH

2.183

(1.330–3.583)

0.002

2.093

(1.186～3.694)

0.011

Time to first anal exhaust (hours)

0.995

(0.986–1.003)

0.227

1.000

(0.991～1.010)

0.921

Intraoperative complications of clinical intervention

2.505

(0.343–18.306)

0.366

1.127

(0.147～8.649)

0.908

Postoperative hospitalization (days)

0.881

(0.796–0.975)

0.014

0.855

(0.748～0.977)

0.021