Research Article
Assessment of the Clinical Usefulness of Preoperative Computed Tomography in Colorectal Cancer Patients Who Received Unplanned Reoperation
Table 1
Preoperative and risk factors associated with unplanned reoperations of colorectal cancer.
| | Factor | Patients, no. (%) | Kruskal gamma coefficient (95% CI) | | Unplanned reoperation | | Total () | Yes () | No () |
| | Age (y) | | | | | | ≤40 | 537 (9.2) | 8 (8.9) | 529 (9.2) | | | 41-60 | 2145 (36.7) | 35 (38.9) | 2110 (36.7) | 0.02 (−0.02 to 0.17) | | 61-80 | 2718 (46.5) | 43 (47.8) | 2675 (46.5) | | | ≥81 | 319 (5.5) | 4 (4.4) | 315 (5.5) | | | Sex | | | | | | Male | 3688 (63.1) | 58 (64.4) | 3630 (63.1) | | | Female | 2157 (36.9) | 32 (35.6) | 2125 (36.9) | 0.05 (−0.05 to 0.16) | | BMI, median (IQR) | 26.8 (6.2) | 26.2 (7.3) | 26.8 (6.2) | | | Disease staging | | | | | | I | 1040 (17.8) | 18 (20) | 1022 (17.8) | | | II | 2069 (35.4) | 30 (33.3) | 2039 (35.4) | 0.13 (−0.06 to 0.42) | | III | 1759 (30.1) | 26 (28.9) | 1733 (30.1) | | | IV | 977 (16.7) | 16 (17.8) | 961 (16.7) | | | Distant cancer | | | | | | Yes | 590 (10.1) | 16 (17.8) | 551 (9.6) | 0.31 (0.03 to 0.58) | | No | 5255 (89.9) | 74 (82.2) | 5204 (90.4) | | | Primary resection type | | | | | | Right sided | 1660 (28.4) | 22 (24.4) | 1638 (28.5) | | | Left sided | 1391 (23.8) | 18 (20) | 1373 (23.8) | 0.23 (0.03 to 0.47) | | Rectal | 2402 (41.1) | 46 (51.1) | 2356 (40.9) | | | Total colectomy | 392 (6.7) | 4 (4.4) | 388 (6.7) | |
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