Characteristics of 382 patients assessed 6 months after oesophageal cancer surgery
| Lymph nodes removed in quartiles (range) | ||||||
|---|---|---|---|---|---|---|
| Total cohort | I (0–8) | II (9–14) | III (15–24) | IV (24–81) | ||
| Characteristics | Categorisation | N (%) | N (%) | N (%) | N (%) | N (%) |
| Total | 382 | 97 | 101 | 88 | 96 | |
| Age | <60 years | 93 (24) | 21 (22) | 24 (24) | 21 (24) | 27 (28) |
| 60–75 years | 240 (63) | 65 (67) | 61 (67) | 56 (64) | 58 (60) | |
| >75 years | 49 (13) | 11 (11) | 16 (16) | 11 (12) | 11 (12) | |
| Sex | Men | 311 (81) | 76 (78) | 82 (82) | 76 (86) | 77 (80) |
| Women | 71 (19) | 21 (22) | 19 (18) | 12 (14) | 19 (20) | |
| Comorbidity | 0 | 116 (53) | 59 (61) | 55 (54) | 44 (50) | 56 (58) |
| 1 | 65 (30) | 19 (19) | 30 (30) | 23 (26) | 26 (27) | |
| >1 | 38 (17) | 19 (20) | 16 (16) | 21 (24) | 14 (15) | |
| Body mass index | <25 | 184 (48) | 39 (40) | 49 (48) | 43 (49) | 53 (55) |
| 25 to <30 | 120 (31) | 38 (40) | 30 (30) | 27 (31) | 25 (26) | |
| ≥30 | 63 (16) | 15 (15) | 20 (20) | 15 (17) | 13 (14) | |
| Missing data | 15 (4) | 5 (5) | 2 (2) | 3 (3) | 5 (5) | |
| Tumour stage | 0–I | 50 (23) | 32 (33) | 14 (14) | 13 (15) | 20 (21) |
| II | 64 (29) | 25 (26) | 37 (37) | 29 (33) | 24 (25) | |
| III | 88 (40) | 35 (36) | 45 (44) | 36 (41) | 40 (42) | |
| IV | 17 (8) | 5 (5) | 5 (5) | 10 (11) | 12 (12) | |
| Tumour histology | Squamous cell carcinoma | 65 (30) | 22 (23) | 24 (24) | 25 (28) | 22 (23) |
| Adenocarcinoma | 154 (70) | 75 (77) | 77 (76) | 72 (72) | 77 (77) | |
| Postoperative complications | 0 | 252 (66) | 62 (64) | 68 (67) | 55 (63) | 67 (70) |
| ≥1 | 130 (34) | 35 (36) | 33 (33) | 33 (37) | 29 (30) | |
| Surgeon volume (operations/year) | 0–6 | 163 (43) | 54 (56) | 57 (57) | 29 (33) | 23 (24) |
| >6 | 219 (57) | 43 (44) | 44 (43) | 59 (67) | 73 (76) | |