Table 1 Baseline characteristics
All patients | Available for functional outcome | Available for functional outcome without stoma | Available for functional outcome with stoma | |
|---|---|---|---|---|
Number | 271 | 123 | 66 | 57 |
Age (median, range) in years | 70, 37–94 | 68, 37–94 | 65, 37–94 | 73, 50–89 |
Female gender | 95 (35%) | 46 | 25 (38%) | 21 (37%) |
Male gender | 176 (65%) | 77 | 41 (62%) | 36 (63%) |
Lower third tumor | 95 (35%) | 42 | 10 (15%) | 32 (56%) |
Middle third | 149 (55%) | 71 | 49 (74%) | 22 (39%) |
Upper third | 10 (4%) | 3 | 2 (3%) | 1 (2%) |
Not documented | 17 (6%) | 7 | 5 (8%) | 2 (4%) |
Follow-up (median, range) in months | 101, 1–176 | 104, 13–178 | 114, 18–170 | 91, 13–176 |
cTNM | ||||
cT2 | 15 | 6 | 4 | 2 |
cT3 | 243 | 115 | 62 | 53 |
cT4 | 8 | 1 | 0 | 1 |
unknown | 5 | 1 | 0 | 1 |
cN0 | 97 | 52 | 24 | 28 |
cN+ | 95 | 40 | 21 | 19 |
cNx | 79 | 31 | 21 | 10 |
pTNM | ||||
pT1 | 16 | 7 | 3 | 4 |
pT2 | 87 | 48 | 27 | 21 |
pT3 | 154 | 60 | 33 | 27 |
pT4 | 12 | 7 | 3 | 4 |
pTx | 2 | 1 | 0 | 1 |
pN0 | 155 | 81 | 41 | 40 |
pN1 | 77 | 31 | 20 | 11 |
pN2 | 37 | 10 | 4 | 6 |
pNx | 2 | 1 | 1 | 0 |
MRI preoperatively | ||||
0 | 116 | 43 | 24 | 19 |
1 | 155 | 80 | 42 | 38 |
Abdominoperineal resection | 137 | 37 | 0 | 37 |
Low anterior resection | 134 | 86 | 66 | 20 |