Table 4 Logistic regression for risk of postoperative complications by comorbidities. Multivariable regression for the risk of postoperative complications

Female sex (Male)

0.89 (0.59–1.36)

0.86 (0.55–1.35)

Age (continuous)

1.02 (1.01–1.04)

0.99 (0.97–1.02)

BMI (continuous)

0.98 (0.94–1.02)

0.97 (0.93–1.02)

ASA 2 (ASA1)

1.44 (0.82–2.56)

1.42 (0.73–2.75)

ASA3

3.16 (1.72–5.82)

2.51 (1.11–5.68)

ASA 4

0.01 (0–2 × 10¹⁷)

0.01 (0–1 × 10¹⁷)

CCI (continuous)

1.24 (1.12–1.38)

1.16 (0.94–1.42)

Vascular disease (No)

2.08 (1.34–3.23)

Diabetes (No)

1.14 (0.59–2.19)

Pulmonary disease (No)

1.03 (0.54–1.97)

Other comorbidities (No)

2.38 (1.29–4.41)

Bleeding risk (No)

2.44 (1.17–5.10)

Cholecystitis grade 2–3 (Grade 1)

1.39 (0.91–2.13)

1.47 (0.88–2.45)

Current smoker (Not smoker)

0.71 (0.32–1.61)

0.75 (0.33–1.73)

Time from symptoms to surgery (continuous)

1.03 (0.97–1.11)

1 (0.93–1.09)