Reference Values for Colon transit Parameters Using Delayed-Release Capsule Method (25)
| Parameter | Data |
| Total no. of healthy volunteers | 211 |
| Geometric center at 24 h (mean ± SD) | 2.4 ± 0.9 (n = 209) |
| 10th–90th percentile | 1.47–3.87 |
| Men (mean ± SD) | 2.7 ± 0.9 (n = 72) |
| Women (mean ± SD) | 2.3 ± 0.9 (n = 137) |
| Geometric center at 48 h (mean ± SD) | 3.6 ± 1.1 (n = 191) |
| 10th–90th percentile | 2.13–5.00 |
| Men (mean ± SD) | 4.1 ± 1.0 (n = 61) |
| Women (mean ± SD) | 3.4 ± 1.0 (n = 130) |