Table 1.
Comparison of characteristics of patients between the two groups (TAC versus partial colectomy) before propensity matching
| Variable | All Patients N = 491 |
Total Abdominal Colectomy N = 398 |
Partial Colectomy N = 93 |
P value |
|---|---|---|---|---|
| Age (years), Median [Q1-Q3] | 67 [57–76] | 67 [58–75] | 66 [55–75] | 0.31 |
| Gender | 0.22 | |||
| Female | 263 (53.6) | 219 (55) | 44 (47.3) | |
| Male | 228 (46.4) | 179 (45) | 49 (52.7) | |
| Admitted from | 0.502 | |||
| From acute care hospital inpatient | 95 (19.3) | 82 (20.6) | 13 (14) | |
| Not transferred (admitted from home) | 275 (56) | 215 (54) | 60 (64.5) | |
| Nursing home—Chronic care—Intermediate care | 75 (15.3) | 61 (15.3) | 14 (15.1) | |
| Outside emergency department | 38 (7.7) | 33 (8.3) | 5 (5.4) | |
| Transfer from other | 6 (1.2) | 5 (1.3) | 1 (1.1) | |
| Unknown | 2 (0.4) | 2 (0.5) | 0 (0) | |
| Race, white, n (%) | 341 (69.5) | 269 (67.6) | 72 (77.4) | 0.084 |
| Sepsis status, n (%) | 0.031 | |||
| None | 35 (7.1) | 28 (7) | 7 (7.5) | |
| Sepsis | 111 (22.6) | 80 (20.1) | 31 (33.3) | |
| Septic Shock | 319 (65) | 270 (67.8) | 49 (52.7) | |
| SIRS | 26 (5.3) | 20 (5) | 6 (6.5) | |
| WBC count, 109/L, n (%) | < 0.001 | |||
| 4–11.9 | 97 (19.8) | 72 (18.1) | 25 (26.9) | |
| 12–19.9 | 85 (17.3) | 57 (14.4) | 28 (30.1) | |
| 20–34.9 | 103 (21) | 89 (22.4) | 14 (15.1) | |
| 35–44.9 | 56 (11.4) | 52 (13.1) | 4 (4.3) | |
| ≥ 45 | 51 (10.4) | 41 (10.3) | 10 (10.8) | |
| < 4 | 34 (6.9) | 24 (6) | 10 (10.8) | |
| Unknown | 64 (13.1) | 62 (15.6) | 2 (2.2) | |
| Diabetes, n (%) | 0.547 | |||
| INSULIN | 64 (13) | 51 (12.8) | 13 (14) | |
| NO | 387 (78.8) | 312 (78.4) | 75 (80.6) | |
| NON-INSULIN | 40 (8.1) | 35 (8.8) | 5 (5.4) | |
| Smoking, n (%) | 0.724 | |||
| No | 379 (77.2) | 309 (77.6) | 70 (75.3) | |
| Yes | 112 (22.8) | 89 (22.4) | 23 (24.7) | |
| Ventilator dependencya, n (%) | 0.384 | |||
| No | 327 (66.6) | 261 (65.6) | 66 (71) | |
| Yes | 164 (33.4) | 137 (34.4) | 27 (29) | |
| COPD, n (%) | 0.387 | |||
| No | 371 (75.6) | 297 (74.6) | 74 (79.6) | |
| Yes | 120 (24.4) | 101 (25.4) | 19 (20.4) | |
| Ascites, n (%) | 0.985 | |||
| No | 430 (87.6) | 348 (87.4) | 82 (88.2) | |
| Yes | 61 (12.4) | 50 (12.6) | 11 (11.8) | |
| CHF, n (%) | 0.764 | |||
| No | 442 (90) | 357 (89.7) | 85 (91.4) | |
| Yes | 49 (10) | 41 (10.3) | 8 (8.6) | |
| HTN, n (%) | 0.721 | |||
| No | 190 (38.7) | 152 (38.2) | 38 (40.9) | |
| Yes | 301 (61.3) | 246 (61.8) | 55 (59.1) | |
| CRF, n (%) | 0.226 | |||
| No | 398 (81.1) | 318 (79.9) | 80 (86) | |
| Yes | 93 (18.9) | 80 (20.1) | 13 (14) | |
| CRF on dialysis, n (%) | 0.85 | |||
| No | 422 (85.9) | 341 (85.7) | 81 (87.1) | |
| Yes | 69 (14.1) | 57 (14.3) | 12 (12.9) | |
| Disseminated cancer, n (%) | 0.002 | |||
| No | 452 (92.1) | 374 (94) | 78 (83.9) | |
| Yes | 39 (7.9) | 24 (6) | 15 (16.1) | |
| Steroid, n (%) | 0.047 | |||
| No | 388 (79) | 307 (77.1) | 81 (87.1) | |
| Yes | 103 (21) | 91 (22.9) | 12 (12.9) | |
| Weight loss | 0.825 | |||
| No | 454 (92.5) | 367 (92.2) | 87 (93.5) | |
| Yes | 37 (7.5) | 31 (7.8) | 6 (6.5) | |
| Coagulopathy, n (%) | 0.57 | |||
| No | 388 (79) | 312 (78.4) | 76 (81.7) | |
| Yes | 103 (21) | 86 (21.6) | 17 (18.3) | |
| Blood transfusiona, n (%) | 0.525 | |||
| No | 437 (89) | 352 (88.4) | 85 (91.4) | |
| Yes | 54 (11) | 46 (11.6) | 8 (8.6) | |
| Wound class, n (%) | < 0.001 | |||
| 1-Clean | 3 (0.6) | 1 (0.3) | 2 (2.2) | |
| 2-Clean/Contaminated | 91 (18.5) | 82 (20.6) | 9 (9.7) | |
| 3-Contaminated | 166 (33.8) | 141 (35.4) | 25 (26.9) | |
| 4-Dirty/Infected | 231 (47) | 174 (43.7) | 57 (61.3) | |
| ASA class, n (%) | 0.029 | |||
| 2-Mild Disturb | 6 (1.2) | 3 (0.8) | 3 (3.2) | |
| 3-Severe Disturb | 75 (15.3) | 56 (14.1) | 19 (20.4) | |
| 4-Life Threat | 319 (65) | 264 (66.3) | 55 (59.1) | |
| 5-Moribund | 90 (18.3) | 75 (18.8) | 15 (16.1) | |
| None assigned | 1 (0.2) | 0 (0) | 1 (1.1) |
ASA; American Society of Anesthesiology, CHF; Congestive heart failure, CRF; chronic renal failure,
COPD; chronic obstructive pulmonary disease, Q1-Q3 ; first quartile-third quartile, interquartile range (IQR), SIRS; systemic inflammatory response syndrome. WBCs; White blood cell counts
aPrior to surgery
n; number of patients, %; percentage