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Mean age of patients with functional disease
| Diagnosis | Mean age (years) |
|---|---|
| Functional abdominal pain | 38.6 |
| ISTC | 49.5 |
| IBS | 40.3 |
| D-IBS | 42.1 |
| A-IBS | 38.9 |
| C-IBS | 39.9 |
| M-IBS | 38.4 |
| IBS undefined | 43.7 |
D-IBS, diarrhoea predominant-IBS; A-IBS, alternating-IBS; C-IBS, constipation predominant-IBS; M-IBS, mixed-IBS; ISTC, idiopathic slow transit constipation; IBS, irritable bowel syndrome.
