Excretion of 13C in stool and on breath as13CO2 in healthy children and patients with cystic fibrosis
| Subject | Stool13C excretion (% admin dose) | Breath13CO2 (% admin dose) | Breath13CO2 (% absorbed dose) |
|---|---|---|---|
| Healthy children | |||
| 1 | 6.6 | 31.4 | 33.7 |
| 2 | 8.1 | 14.2 | 15.5 |
| 3 | 1.0 | 42.9 | 43.3 |
| 4 | 4.8 | 40.9 | 42.9 |
| 5 | 2.1 | 24.0 | 24.5 |
| 6 | 4.8 | 41.7 | 42.9 |
| 7 | 9.5 | 18.1 | 20.0 |
| 8 | 12.7 | 37.8 | 43.3 |
| 9 | 4.4 | 30.6 | 32.0 |
| Mean (SD) | 6.0 (3.7) | 31.3 (10.6) | 33.1 (10.9) |
| Cystic fibrosis | |||
| 1 | 64.4 | 0 | 0 |
| 2 | 10.0 | 17.8 | 20.4 |
| 3 | 36.5 | 31.3 | 49.1 |
| 4 | 0 | 16.5 | 16.5 |
| 5 | 29.3 | 23.7 | 33.6 |
| 6 | 27.8 | 16.5 | 22.8 |
| 7 | 4.2 | 19.4 | 20.3 |
| Mean (SD) | 24.6 (22.3) | 17.9 (9.5) | 23.2 (15.2) |
| Significance | p < 0.05 | p < 0.05 | p > 0.05 |