| Total | CS group | S group |  | |||
---|---|---|---|---|---|---|---|
 | (N = 169) | (N = 85) | (N = 84) | P-value | |||
Surgery done | Â | Â | Â | Â | Â | Â | 0,083 |
   Yes | 158 | (93%) | 76 | (90%) | 82 | (98%) |  |
   No | 9 | (5%) | 7 | (8%) | 2 | (2%) |  |
   Not recorded | 2 | (2%) | 2 | (2%) | 0 |  |  |
Reason no surgery undertaken | Â | Â | Â | Â | Â | Â | Â |
   Died before surgery | 3 | (2%) | 1 | (1%) | 2 | (2%) |  |
   Progressive disease |  |  |  |  |  |  |  |
Tumor unresectable | 3 | (2%) | 3 | (4%) | 0 | Â | Â |
Distant metastases | 3 | (2%) | 3 | (4%) | 0 | Â | Â |
Type of resection* | Â | Â | Â | Â | Â | Â | 0,38 |
   Transhiatal | 113 | (71%) | 55 | (72%) | 58 | (71%) |  |
   Transthoracic | 20 | (13%) | 9 | (12%) | 11 | (13%) |  |
   Type not recorded | 5 | (3%) | 4 | (5%) | 1 | (1%) |  |
   Other | 1 | (1%) | 1 | (1%) | 0 |  |  |
   No resection performed | 19 | (12%) | 7 | (10%) | 12 | (15%) |  |
Postoperative deaths (within 30 days)* | 7 | (4%) | 4 | (5%) | 3 | (4%) | 0,62 |
Non-fatal postoperative complications* | Â | Â | Â | Â | Â | Â | 0,64 |
   None | 68 | (43%) | 30 | (40%) | 38 | (46%) |  |
   Any | 67 | (42%) | 33 | (43%) | 34 | (41%) |  |
   Not recorded | 16 | (10%) | 9 | (12%) | 7 | (9%) |  |
Type of non-fatal postoperative complications*, †|  |  |  |  |  | ||
   Pulmonary | 25 | (16%) | 17 | (23%) | 8 | (10%) | 0,048 |
   Cardiac | 6 | (4%) | 3 | (4%) | 3 | (4%) | 1,0 |
   Anastomotic |  |  |  |  |  |  |  |
Subclinical | 10 | (6%) | 5 | (7%) | 5 | (6%) | 1,0 |
Clinical | 7 | (4%) | 3 | (4%) | 4 | (5%) | 1,0 |
   Chylothorax | 7 | (4%) | 4 | (5%) | 3 | (4%) | 0,70 |
   Bleeding | 5 | (3%) | 3 | (4%) | 2 | (2%) | 0,67 |
   Vocal-cord injury | 22 | (14%) | 10 | (13%) | 12 | (15%) | 0,82 |
   Other | 10 | (6%) | 4 | (5%) | 6 | (7%) | 0,75 |