| C. difficile Positive N = 34 | C. difficile Negative N = 68 |  | ||
---|---|---|---|---|---|
Factors | N | Median (P25, P75) | N | Median (P25, P75) | P value |
Age (y) | 34 | 44.5 (29.0, 60.0) | 68 | 44.5 (29.0, 60.0) | 1.000 |
Median duration from UC diagnosis to CDAB test (mo) | 34 | 27.0 (7.0, 108.5) | 68 | 36.0 (13.5, 117.0) | 0.467 |
Number of bowel movements (times/d) | 34 | 7.0 (4.5, 10.0) | 68 | 7.0 (5.0, 10.0) | 0.947 |
Factors | N | Mean ± SD | N | Mean ± SD | P value |
BMI | 34 | 20.4745 ± 3.82787 | 68 | 21.2466 ± 4.10828 | 0.390 |
Peripheral venous white blood cell (109/L) | 34 | 8.0676 ± 2.82308 | 68 | 8.0554 ± 2.95580 | 0.984 |
Peripheral neutrophils (109/L) | 34 | 5.9118 ± 2.82888 | 68 | 5.5834 ± 2.70716 | 0.571 |
Factors | N | Positive (%) | N | Negative (%) | Â |
Male gender | 16 | 47.1 | 32 | 47.1 | 1.000 |
Smoking status | Â | Â | Â | Â | 0.866 |
Cessation ≥6 mo | 2 | 5.9 | 7 | 10.3 |  |
Active smoker | 4 | 11.8 | 9 | 13.2 | Â |
Alcohol use | Â | Â | Â | Â | 0.218 |
Cessation ≥6 mo | 3 | 8.8 | 6 | 8.8 |  |
Active use | 4 | 11.8 | 2 | 2.9 | Â |
Diabetes | 3 | 8.8 | 7 | 10.3 | 1.000 |
UC Truelove and Witts criteria | Â | Â | Â | Â | 0.517 |
Mild | 3 | 8.8 | 14 | 20.6 | Â |
Moderate | 18 | 52.9 | 28 | 41.2 | Â |
Severe | 13 | 38.2 | 26 | 38.2 | Â |
Mayo score at colonoscopy | Â | Â | Â | Â | 0.622 |
1 | 5 | 15.6 | 8 | 12.3 | Â |
2 | 10 | 31.3 | 28 | 43.1 | Â |
3 | 17 | 53.1 | 29 | 44.6 | Â |
Distribution of UC | Â | Â | Â | Â | 0.811 |
Proctitis | 1 | 2.9 | 0 | 0.0 | Â |
Left-sided colitis | 8 | 23.5 | 17 | 25.0 | Â |
Extensive colitis | 25 | 73.5 | 51 | 75.0 | Â |
History of surgery | 2 | 5.9 | 3 | 4.4 | 1.000 |
Symptom-fever | 7 | 20.6 | 15 | 22.1 | 0.865 |
Symptom-abdominal pain | 16 | 47.1 | 43 | 63.2 | 0.119 |
Symptom-bleeding | 27 | 79.4 | 63 | 92.6 | 0.099 |
Symptom-diarrhea | 29 | 85.3 | 65 | 95.6 | 0.113 |
Dilation of colon | Â | Â | Â | Â | 0.990 |
No | 33 | 97.1 | 66 | 97.1 | Â |
≥6 cm | 1 | 2.9 | 1 | 1.5 |  |
≥8 cm | 0 | 0.0 | 1 | 1.5 |  |
Subsequent surgery | 9 | 27.3 | 11 | 16.2 | 0.189 |