Table 2.
Characteristics of resection, stoma, and stent groups
| Acute | Staged resection | p value | ||
|---|---|---|---|---|
| Resection | Stoma | Stent | ||
| n = 57 (%) | n = 23 (%) | n = 20 (%) | ||
| Tumour location | 0.094 | |||
| Splenic flexure colon | 11 (19) | 5 (22) | 2 (10) | |
| Descending colon | 7 (12) | 7 (30) | 2 (10) | |
| Sigmoid colon | 39 (68) | 10 (44) | 15 (75) | |
| Rectosigmoid colon | 0 (0) | 1 (4) | 1 (5) | |
| Number of operations | 1.1 ± 0.4 | 2.5 ± 0.5 | 2.0 ± 0.2 | <0.001a |
| Time between the first surgery and resection (days) | 37.2 ± 25.8 | 40.7 ± 52.4 | ||
| Tumour stage | 0.084 | |||
| pT1 | 0 (0) | 0 (0) | 0 (0) | |
| pT2 | 4 (7) | 0 (0) | 1 (5) | |
| pT3 | 43 (75) | 14 (61) | 11 (55) | |
| pT4 | 10 (18) | 9 (39) | 8 (40) | |
| Lymph node(LN) mean number | 8.7 ± 7.9 | 21 ± 17.4 | 21 ± 16.1 | <0.001b |
| <0.001c | ||||
| LN ≤12 | 40 (70) | 7 (30) | 7 (35) | |
| LN >12 | 12 (23) | 16 (70) | 13 (65) | |
| Missing data | 5 (7) | 0 (0) | 0 (0) | |
| Number of patients with metastatic LN (total: N1:N2) | 25; 15:10 | 11; 4:7 | 11; 5:6 | 0.606 |
| Missing data | 0 | 2 | 0 | |
| 0.773 | ||||
| R0 | 55 (96) | 23 (100) | 19 (95) | |
| R1 | 2 (4) | 0 (0) | 1 (5) | |
| Number of patients with adjuvant therapy | 0.024d | |||
| Yes | 8 (14) | 10 (43) | 4 (20) | |
| No | 48 (84) | 13 (57) | 15 (75) | |
| Missing data | 1 (2) | 0 (0) | 1 (5) | |
| Hospital stay (days) mean number | ||||
| Total | 14.9 ± 8.1 | 24.1 ± 14.0 | 14.3 ± 6.8 | 0.001e |
| First operation | 13.1 ± 7.6 | 11.5 ± 7.9 | 7.5 ± 4.7 | 0.014f |
| Surgeon level | 0.001g | |||
| Surgical trainee | 1 (2) | 0 (0) | 0 (0) | |
| Specialist in general surgery | 29 (51) | 0 (0) | 1 (5) | |
| Specialisation in colorectal surgery | 27 (47) | 23 (100) | 19 (95) | |
Values in parentheses are percentage unless otherwise indicated. Values are mean ± SD
aNumber of operation; a statistically significant difference observed between the resection group and stoma group p < 0.001, the resection group and stent group p < 0.001, and the stoma group and the stent group p = 0.003
bLymph node mean; a statistically significant difference between resection group and stoma group p < 0.001 as well the stent group p < 0 .001; no significant differences between stoma group and stent group p = 1.000
cLymph node ≤12 and >12; p < 0.01
dAdjuvant therapy; a significant difference between resection group and stoma group, p = 0.024. No statistically significant differences between the resection group and stent group p = 0.486
eTotal hospital stay; a significant between the reference group stoma compared with resection group p = 0.018 and compared with stent group p = 0.015. Reference group resection compared with stent group p = 0.930
fHospital stay at the first operation; a significant difference between the reference group resection and compared with stent group p = 0.010; comparing the resection group and the stoma group shows no statistical significant p = 0.658. No significant between the stoma group and stent group p = 0.164
gSurgeon level; a significance between the resection group and stoma group p = 0.001 as well as between the stent group p = 0.001. No significant between the stoma and stent group p = 0.465