Table 1.
Baseline Characteristics Compared Between Patients With Delayed and Normal Colonic Transit Study
| Total (N = 144) | Delayed CTT (n = 25) | Normal CTT (n = 119) | P-value | |
|---|---|---|---|---|
| Age (yr) | 52.0 ± 16.6 | 53.0 ± 16.5 | 51.8 ± 16.7 | 0.756 |
| Sex (% female) | 102 (70.8) | 19 (76.0) | 83 (69.7) | 0.534 |
| BMI (kg/m2) | 22.8 ± 3.7 | 21.4 ± 2.8 | 23.1 ± 3.8 | 0.055 |
| Defecation disorder (n [%]) | 58 (40.3) | 13 (52) | 45 (37.8) | 0.187 |
| Fulfilled IBS criteria (n [%]) | 70 (48.6) | 12 (48) | 58 (48.7) | 0.946 |
| Constipation symptoms (n [%]) | ||||
| Straining | 121 (84.0) | 23 (92.0) | 98 (82.4) | 0.230 |
| Hard stools | 94 (65.3) | 19 (76.0) | 75 (63.0) | 0.222 |
| Incomplete evacuation | 118 (81.9) | 22 (88.0) | 96 (80.7) | 0.394 |
| Manual maneuver to facilitate defecation | 65 (45.1) | 12 (48.0) | 53 (44.5) | 0.746 |
| Sensation of anorectal blockage | 101 (70.1) | 20 (80.0) | 81 (68.1) | 0.228 |
| Stool characteristics | ||||
| Average 5-day BSFS | 3.5 ± 1.3 | 2.6 ± 1.4 | 3.7 ± 1.3 | < 0.001 |
| Stool frequency (BMs/5 days) | 4.0 ± 2.0 | 2.5 ± 2.0 | 4.3 ± 1.9 | < 0.001 |
| Geometric center | ||||
| Day 1 | 2.5 ± 0.9 | 1.8 ± 0.8 | 2.6 ± 0.9 | < 0.001 |
| Day 3 | 3.5 ± 0.7 | 2.6 ± 0.6 | 3.7 ± 0.5 | < 0.001 |
| Day 5 | 3.8 ± 0.4 | 3.1 ± 0.5 | 4.0 ± 0.02 | < 0.001 |
CTT, colonic transit time; BMI, body mass index; IBS, irritable bowel syndrome; BSFS, Bristol stool form scale; BMs, bowel movements.
Data express as mean ± SD.