Risk of death or reoperation within 30 days of surgery for oesophageal cancer, stratified for surgeon volume
| Death/reoperation (n=258) | Death (n=93) | Reoperation (n=191) | Anastomotic (n=34) | Laparotomy (n=54) | Wound within 30 days (n=38) | ||
|---|---|---|---|---|---|---|---|
| Weekday of surgery | Surgeon volume | OR (95% CI)* | OR (95% CI)* | OR (95% CI)* | OR (95% CI)* | OR (95% CI)* | OR (95% CI)* |
| Monday to Tuesday | <17 | 1 (reference) | 1 (reference) | 1 (reference) | 1 (reference) | 1 (reference) | 1 (reference) |
| Wednesday to Friday | <17 | 1.02 (0.72 to 1.46) | 1.31 (0.78 to 2.20) | 0.88 (0.58 to 1.34) | 0.64 (0.19 to 2.16) | 0.73 (0.36 to 1.48) | 1.55 (0.69 to 3.50) |
| Monday to Tuesday | ≥17 | 1 (reference) | 1 (reference) | 1 (reference) | 1 (reference) | 1 (reference) | 1 (reference) |
| Wednesday to Friday | ≥17 | 0.94 (0.60 to 1.47) | 1.22 (0.54 to 2.75) | 0.87 (0.54 to 1.42) | 1.26 (0.52 to 3.05) | 0.79 (0.28 to 2.24) | 1.25 (0.40 to 3.87) |
| Monday | <17 | 1 (reference) | 1 (reference) | 1 (reference) | 1 (reference) | 1 (reference) | 1 (reference) |
| Tuesday | <17 | 0.87 (0.54 to 1.39) | 0.55 (0.25 to 1.17) | 0.90 (0.52 to 1.54) | 0.94 (0.23 to 3.84) | 1.55 (0.65 to 3.67) | 0.53 (0.15 to 1.84) |
| Wednesday | <17 | 1.27 (0.78 to 2.05) | 1.24 (0.63 to 2.45) | 1.11 (0.63 to 1.93) | 0.98 (0.22 to 4.47) | 1.29 (0.50 to 3.33) | 1.26 (0.43 to 3.71) |
| Thursday | <17 | 0.74 (0.41 to 1.32) | 0.72 (0.31 to 1.63) | 0.72 (0.37 to 1.43) | 0.43 (0.05 to 3.90) | 0.82 (0.24 to 2.75) | 1.16 (0.35 to 3.79) |
| Friday | <17 | 0.58 (0.25 to 1.33) | 0.92 (0.34 to 2.49) | 0.32 (0.09 to 1.09) | NA | NA | 0.96 (0.19 to 4.86) |
| Monday | ≥17 | 1 (reference) | 1 (reference) | 1 (reference) | 1 (reference) | 1 (reference) | 1 (reference) |
| Tuesday | ≥17 | 1.12 (0.67 to 1.87) | 0.73 (0.27 to 2.00) | 1.11 (0.64 to 1.92) | 0.50 (0.17 to 1.47) | 0.36 (0.11 to 1.20) | 2.34 (0.47 to 11.80) |
| Wednesday | ≥17 | 1.00 (0.50 to 2.02) | 0.78 (0.20 to 3.05) | 0.89 (0.41 to 1.94) | 1.89 (0.66 to 5.39) | NA | 1.09 (0.10 to 12.17) |
| Thursday | ≥17 | 1.06 (0.54 to 2.05) | 1.10 (0.35 to 3.49) | 0.92 (0.44 to 1.92) | NA | 1.14 (0.37 to 3.53) | 2.95 (0.48 to 18.16) |
| Friday | ≥17 | 0.85 (0.28 to 2.59) | 1.48 (0.29 to 7.43) | 1.03 (0.33 to 3.16) | 0.85 (0.10 to 7.18) | NA | 2.89 (0.25 to 33.07) |
Results presented as OR with 95% CI.
*Adjusted for age, sex, Charlson comorbidity index, tumour stage, tumour histology, neoadjuvant therapy and surgeon volume.
NA, not available.