Table 2.
Patient characteristics and use of mechanical bowel preparation prior to colectomy.
| Variable | Bowel Preparation N=1685 (74%) |
No Bowel Preparation N=578 (25%) |
p-value |
|---|---|---|---|
| Age | 65.61 +/− 14.54 | 64.84 +/− 17.05 | .33 |
| Body mass index | 28.36 +/− 6.31 | 27.35 +/− 5.83 | .001 |
| Sex | .11 | ||
| Male | 836 (49.6) | 264 (45.7) | |
| Female | 849 (50.4) | 314 (54.3) | |
| Race/ Ethnicity | .13 | ||
| White | 1259 (74.7) | 449 (77.8) | |
| Other | 426 (25.3) | 128 (22.2) | |
| Preoperative functional status | <.001 | ||
| Independent | 1603 (95.1) | 513 (88.8) | |
| Dependent | 82 (4.9) | 65 (11.2) | |
| Type of Resection | <.001 | ||
| segmental | 1157 (68.7) | 324 (56.1) | |
| ileocolic | 528 (31.3) | 254 (43.9) | |
| ASA | <.001 | ||
| 1= No Disturbance | 27 (1.6) | 11 (1.9) | |
| 2= Mild Disturbance | 860 (51.0) | 256 (44.3) | |
| 3= Severe Disturbance | 723 (42.9) | 262 (45.3) | |
| 4= Life Threatening | 74 (4.4) | 45 (7.8) | |
| 5= Moribund | 1 (0.1) | 4 (0.7) | |
| Dyspnea | 1425 (84.6) | 478 (82.7) | .29 |
| Chronic obstructive pulmonary disease | 101 (6.0) | 40 (6.9) | .43 |
| Pneumonia | 6 (0.4) | 2 (0.3) | 1.0a |
| Congestive heart failure | 16 (0.9) | 20 (3.5) | <.001 |
| History of myocardial infarction | 15 (0.9) | 12 (2.1) | .02 |
| Acute Renal Failure | 1 (0.1) | 6 (1.0) | .001a |
| Dialysis | 11 (0.7) | 7 (1.2) | .19a |
| Steroid Use | 57 (3.4) | 36 (6.2) | <.01 |
| Malnourished (>10% Loss of body weight) | 61 (3.6) | 28 (4.8) | .19 |
| Disseminated Cancer | 52 (3.1) | 26 (4.5) | .11 |
| Bleeding Disorder | 72 (4.3) | 47 (8.1) | <.001 |
| Transfusions | 4 (0.2) | 9 (1.6) | .001a |
| Sepsis | 60 (3.6) | 88 (15.2) | <.001 |
| Transfer from another healthcare facility | .01 | ||
| No (Admitted from home) | 1661 (98.6) | 560 (96.9) | |
| Transferred from an acute care hospital | 9 (0.5) | 9 (1.6) | |
| Transferred from a chronic care facility | 14 (0.8) | 6 (1.0) | |
| Other | 1 (0.1) | 3 (0.5) |
a
Fisher exact test; parentheses denote column percentages