No death/reoperation within 30 days of surgery Number (%) | Death/reoperation within 30 days of surgery Number (%) | |
---|---|---|
Total | 1490 (100) | 258 (100) |
Age (years): mean (SD) | 65 (10) | 67 (9) |
Sex | ||
Male | 1110 (74) | 195 (76) |
Female | 380 (26) | 63 (24) |
Charlson comorbidity index | ||
0 | 870 (58) | 145 (56) |
1 | 306 (21) | 57 (22) |
>1 | 314 (21) | 56 (22) |
Tumour stage | ||
0–I | 357 (24) | 54 (21) |
II | 535 (36) | 104 (40) |
III–IV | 598 (40) | 100 (39) |
Tumour histology | ||
Adenocarcinoma | 675 (45) | 93 (36) |
Squamous carcinoma | 815 (55) | 165 (64) |
Neoadjuvant therapy | ||
No | 1013 (68) | 170 (66) |
Yes | 477 (32) | 88 (34) |
Annual surgeon volume | ||
<17 | 719 (48) | 155 (60) |
≥17 | 771 (52) | 103 (40) |