Table 2 Logistic analysis for postoperative complications in right-sided colon cancer patients in the PSM cohort

Age (>60 vs. ≤60, years)

1.265 (0.789-2.030)

0.330

Gender (male vs. female)

0.884 (0.551-1.418)

0.609

ASA classification (3/4 vs. 1/2)

3.203 (1.464-7.005)

0.004

2.843 (1.276-6.334)

0.011

Preoperative anemia (<120 vs. ≥120, g/l)

1.404 (0.853-2.313)

0.182

Preoperative CEA (>5 vs. ≤5, ng/ml)

1.198 (0.743-1.930)

0.459

Preoperative CA19-9 (>37 vs. ≤37, U/ml)

0.586 (0.304-1.127)

0.109

Diabetes

1.036 (0.534-2.009)

0.917

Hypertension

1.047 (0.622-1.764)

0.862

Surgery access (open vs. laparoscopic)

1.164 (0.686-1.973)

0.574

Tumor location (ileocecal/ascending colon vs. hepatic flexure colon)

1.280 (0.797-2.055)

0.308

Operative time (>205 vs. ≤205, min)

1.805 (1.108-2.939)

0.018

1.723 (1.047-2.836)

0.032

Estimated blood loss (>55 vs. ≤55, ml)

1.597 (0.991-2.573)

0.054

pT stage (T3/4 vs. T1/2)

0.941 (0.382-2.317)

0.895

pN stage (N+ vs. N0)

1.122 (0.698-1.805)

0.634

Tumor differentiation (grade 3+4 vs. 1+2)

0.555 (0.185-1.668)

0.294

Histopathology (mucinous/signet ring cell adenocarcinoma vs. adenocarcinoma)

1.143 (0.710-1.841)

0.583

ALI (low vs. high)

2.094 (1.288-3.404)

0.003

1.983 (1.209-3.252)

0.007