Table 1.
Description of preoperative, pathologic, and perioperative variables
| Preoperative Characteristics | Readmission No. | Readmission Yes | Total | P Value |
|---|---|---|---|---|
| Overall | 203 (74.5%) | 69 (25.5%) | 272 (100%) | |
| Age, y | ||||
| Mean/SE | 69/0.7 | 69/1.3 | 69/0.6 | .87 |
| Median, range | 69 (36–90) | 71 (38–86) | 70 (36–90) | |
| Sex, n (%) | ||||
| Male | 157 (77%) | 47 (68%) | 204 (75%) | .15 |
| BMI, kg/m2 | ||||
| Mean/SE | 28.4/0.4 | 30.1/0.7 | 28.9/0.3 | .03 |
| Obese (>30), n (%) | 69 (35%) | 32 (46%) | 101 (38%) | .09 |
| ASA score ≥3, n (%) | 93 (46%) | 34 (49%) | 126 (47%) | .68 |
| Prior abdominal surgery, n (%) | 112 (55%) | 45 (65%) | 157 (58%) | .16 |
| Preoperative chemotherapy, n (%) | 21 (10%) | 3 (4%) | 24 (9%) | .34 |
| Preoperative radiation, n (%) | 5 (3%) | 5 (2%) | .56 | |
| Creatinine | 1.2/0.0 | 1.1/0.1 | 1.2/0.0 | .47 |
| Smoking | 159 (80%) | 54 (81%) | 213 (80%) | .000 |
| Follow-up (mo) | ||||
| Mean/SE | 20.7/1.3 | 15.3/1.8 | 19.4/1.1 | .05 |
| Median, range | 15 (2–71.6) | 11 (1.2–73) | 14 (0.2–73) | |
| Pathologic outcomes | ||||
| Pathologic tumor stage ≤T2, n (%) | 101 (52%) | 35 (52%) | 136 (52%) | 1.000 |
| Pathologic tumor stage >T2, n (%) | 94 (48%) | 32 (48%) | 126 (48%) | |
| Soft tissue margin positive, n (%) | 15 (7.4%) | 3 (4%) | 18 (7%) | .58 |
| Lymph node yield | ||||
| Mean/SE | 24/0.8 | 22/1.4 | 23/0.7 | .28 |
| Lymph node positive, n (%) | 49 (24%) | 18 (26%) | 67 (25%) | .75 |
| Perioperative outcomes | ||||
| Estimated blood loss (mL) | ||||
| Mean/SE | 489/33.3 | 485/50.6 | 487/27.9 | .89 |
| Median, range | 400,20–3900 | 350,0.0–2500 | 400,0.0–3900 | |
| Overall operative time (min) | ||||
| Mean/SE | 365.0/6.7 | 400.5/14.6 | 373.9/6.3 | .052 |
| Median (range) | 361 (0.0–698) | 391 (182–827) | 369 (0.0–827) | |
| Intraoperative transfusion, n (%) | 30 (15%) | 7 (10%) | 37 (14%) | .42 |
| Diversion type, n (%) | ||||
| Ilea conduit | 187 (92%) | 61 (88%) | 248 (91%) | .34 |
| Others | 16 (8%) | 8 (12%) | 24 (9%) | |
| Diversion location, n (%) | ||||
| Intracorporeal | 88 (43%) | 37 (54%) | 125 (46%) | .46 |
| Extracorporeal | 112 (55.2%) | 32 (46.4%) | 144 (52.9%) | |
| ICU stay, d | ||||
| Mean/SE | 1.5/0.2 | 1.9/0.3 | 1.6/0.2 | .006 |
| Median, range | 1.0 (0.0–26) | 1 (0.0–11) | 1 (0.0–26) | |
| Hospital stay, d | ||||
| Mean/SE | 11.0/0.6 | 11.2/1.0 | 11.0/0.5 | .37 |
| Median, range | 8 (4–50) | 9 (4–58) | 8 (4–58) | |
| Complications (%) | ||||
| Clavien 1–2 | 53 | 70 | 58 | <.001 |
| Clavien 3–5 | 17 | 24 | 19 | |
| Discharge | ||||
| Home | 179 (90%) | 59 (88%) | 238 (90%) | .66 |
| Health care facility | 19 (10%) | 8 (12%) | 27 (10%) | |
| Death within 30 d | 2 (1.0%) | 2 (0.7%) | .326 | |
| Death within 90 d | 8 (3.9%) | 5 (7.2%) | 13 (4.8%) | |
ASA, American Society of Anesthesiologists; BMI, body mass; ICU, intensive care unit; SE, standard error.