Table 3.
Treatment-dependent parameters
| Total [n] | Unsuspicious [n; (%)] | Suspicious [n; (%)] | SufficientX [n; (%)] | Insufficient [n; (%)] | p-valueY | Odds ratioY | 95% CIY | |
|---|---|---|---|---|---|---|---|---|
| Total | 90 | 59 (65.6%) | 20 (22.2%) | 79 (87.8%) | 11 (12.2%) | |||
| Time of surgery | ||||||||
| Elective surgery | 83 | 55 (66.2) | 17 (20.5) | 72 (86.7) | 11 (13.3) | 1 (Ref) | ||
| Emergency surgery | 7 | 4 (57.1) | 3 (42.9) | 7 (100) | 0 (0) | 0.304 | 2.38 | 0.13–44.5 |
| Surgery access | ||||||||
| Laparoscopic | 39 | 30 (76.9) | 6 (15.4) | 36 (92.3) | 3 (7.7) | 1 (Ref) | ||
| Open | 28 | 20 (71.4) | 5 (17.9 | 25 (89.3) | 3 (10.7) | 1.44 | 0.27–7.72 | |
| Robotic | 23 | 9 (39.1) | 9 (39.1) | 18 (78.2) | 5 (21.8) | 0.253 | 3.33 | 0.72–15.54 |
| Level of anastomosis | ||||||||
| > 10 cm ab ano | 46 | 34 (73.9) | 7 (15.2) | 41 (89.1) | 5 (10.9) | 1 (Ref) | ||
| 10–5 cm ab ano | 21 | 13 (61.9) | 6 (28.6) | 19 (90.5) | 2 (9.5) | 0.86 | 0.15–4.85 | |
| < 5 cm ab ano | 13 | 12 (52.9) | 7 (30.4) | 19 (82.6) | 4 (17.4) | 0.672 | 2 | 0.33–12.25 |
| Expansion of surgery | ||||||||
| No | 79 | 50 (63.3) | 20 (25.3) | 70 (88.6) | 9 (11.4) | 1 (Ref) | ||
| Expansion | 11 | 9 (81.8) | 0 (0) | 9 (81.8) | 2 (18.2) | 0.52 | 1.73 | 0.33–9.3 |
| Intraoperative transfusion | ||||||||
| No | 85 | 55 (64.7) | 19 (22.4) | 74 (87.1) | 11 (12.9) | 1 (Ref) | ||
| Yes | 5 | 4 (80) | 1 (20) | 5 (100) | 0 (0) | 0.391 | 1.7 | 0.09–32.8 |
| Median/mean value | Minimum | Maximum | IQR/SD | p-value | |
|---|---|---|---|---|---|
| Duration of surgery [minutes] | |||||
| Total | 218 | 70 | 511 | 88 | |
| Sufficient | 214 | 70 | 511 | 87 | |
| Insufficient | 245 | 120 | 419 | 94 | 0.368 [MWU] |
| Intraoperative volume substitution [ml] | |||||
| Total | 3250 | 20 | 12,980 | 2520 | |
| Sufficient | 3100 | 0 | 11,300 | 2400 | |
| Insufficient | 4500 | 1000 | 13,000 | 3500 | 0.220 [MWU] |
| Intraoperative blood loss [ml] | |||||
| Total | 199 | 0 | 2310 | 363 | |
| Sufficient | 200 | 0 | 2300 | 365 | |
| Insufficient | 180 | 0 | 1200 | 360 | 0.782 [MWU] |
X sufficient anastomoses consisting of unsuspicious and suspicious anastomoses, Y analysis related to sufficient and insufficient anastomoses, CI confidence interval, R Reference, IBD Inflammatory bowel disease, RTx radiation therapy, CTx chemotherapy, CRTx concomitant chemoradiotherapy, UICC Union Internationale Contre le Cancer, ASA American Society of Anesthesiologists, MWU Mann–Whitney ranksum test