| MIS | OPEN | Unadjusted | Unweighted Regression | Weighted Regression | |||
---|---|---|---|---|---|---|---|---|
 | N = 3,601 | N = 5,863 | OR (95% CI) | p-value | OR (95% CI) | p-value | OR (95% CI) | p-value |
CRMa < 1 mm | 135 (3.8) | 315 (5.4) | 0.678 (0.551, 0.833) |  < 0.001 | 0.817 (0.641, 1.041) | 0.101 | 0.805 (0.624, 1.038) | 0.095 |
missing | 294 (8.2) | 532 (9.1) | Â | Â | Â | Â | Â | Â |
R1b | 100 (2.8) | 259 (4.4) | 1.606 (1.270, 2.031) |  < 0.001 | 1.268 (0.969, 1.660)) | 0.083 | 1.318 (0.987, 1.761) | 0.061 |
missing | 163 (4.5) | 220 (3.7) | Â | Â | Â | Â | Â | Â |
DRMc < 1 mm | 9 (0.2) | 12 (0.2) | 1.236 (0.520, 2.937) | 0.631 | 1.185 (0.420, 3.342) | 0.748 | 1.108 (0.405, 3.027) | 0.842 |
missing | 279 (7.7) | 391 (6.7) | Â | Â | Â | Â | Â | Â |
30-day mortality | 19 (0.5) | 70 (1.2) | 0.439 (0.264, 0.730) | 0.002 | 0.490 (0.276, 0.868) | 0.014 | 0.513 (0.287, 0.920) | 0.025 |
missing | 0 (0) | 0 (0) | Â | Â | Â | Â | Â | Â |
90-day mortality | 37 (1.0) | 120 (2.0) | 0.497 (0.343, 0.720) |  < 0.001 | 0.488 (0.320, 0.744) | 0.001 | 0.487 (0.318, 0.744) | 0.001 |
missing | 0 (0) | 0 (0) | Â | Â | Â | Â | Â | Â |
Anastomotic leak | 166 (4.6) | 231 (3.9) | 0.115 (0.961, 1.445) | 0.115 | 1.095 (0.862, 1.393) | 0.456 | 0.968 (0.771, 1.214) | 0.776 |
Re-operation 30-days | 327 (9.08) | 532 (9.07) | 0.990 (0.866, 1.157) | 0.990 | 1.054 (0.894, 1.244) | 0.530 | 0.940 (0.794, 1.113) | 0.473 |
missing | 23 (0.6) | 37 (0.6) | Â | Â | Â | Â | Â | Â |
Re-admission 30-days | 807 (22.4) | 1,545 (26.3) | 0.807 (0.732, 0.890) |  < 0.001 | 0.770 (0.690, 0.860) |  < 0.001 | 0.855 (0.762, 0.959) | 0.008 |
missing | 0 (0) | 0 (0) | Â | Â | Â | Â | Â | Â |
Re-admission 90-days | 1,235 (34.3) | 2,332 (39.8) | 0.790 (0.725, 0.862) |  < 0.001 | 0.800 (0.725, 0.883) |  < 0.001 | 0.853 (0.771, 0.944) | 0.002 |
missing | 0 (0) | 0 (0) | Â | Â | Â | Â | Â | Â |
 < 12 lymph nodes in specimen | 423 (11.7) | 791 (13.5) | 1.172 (1.033, 1.330) | 0.014 | 1.047 (0.903, 1.213) | 0.543 | 1.092 (0.937, 1.273) | 0.257 |
missing | 66 (1.8) | 108 (1.8) | Â | Â | Â | Â | Â | Â |