Table 5 Risk-adjusted Odds Ratios of Length of Stay, Morbidity and In-hospital Mortality according to the Surgeon’s Level of Experience and Frequency of Practice

LOS > 14 Days

Beginner

Sporadic

0.78

0.49–1.24

Frequent

1.19

0.72–1.96

Intermediate

Sporadic

1.00

Reference

Frequent

0.89

0.58–1.34

Experienced

Sporadic

1.12

0.76–1.64

Frequent

0.82

0.58–1.16

DGE*

Beginner

Sporadic

0.97

0.47–2.01

Frequent

0.33

0.12–0.92

Intermediate

Sporadic

1.00

Reference

Frequent

0.54

0.26–1.12

Experienced

Sporadic

0.71

0.39–1.31

Frequent

0.49

0.28–0.87

POPF*

Beginner

Sporadic

0.42

0.19–0.89

Frequent

0.47

0.22–1.02

Intermediate

Sporadic

1.00

Reference

Frequent

0.87

0.48–1.58

Experienced

Sporadic

0.52

0.29–0.92

Frequent

0.51

0.31–0.85

PPH*

Beginner

Sporadic

0.68

0.30–1.55

Frequent

0.16

0.04–0.74

Intermediate

Sporadic

1.00

Reference

Frequent

0.65

0.30–1.42

Experienced

Sporadic

0.89

0.48–1.67

Frequent

0.64

0.35–1.15

Mortality

Beginner

Sporadic

0.79

0.29–2.21

Frequent

no deaths

Intermediate

Sporadic

1.00

Reference

Frequent

0.80

0.31–2.07

Experienced

Sporadic

0.56

0.23–1.38

Frequent

0.29

0.12–0.71