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Endoscopy referrals.
| Control | Intervention | |
|---|---|---|
| Baseline (1996) | ||
| Endoscopy requests | 415 | 414 |
| Year 1 (01/4/97–31/3/98) | ||
| Endoscopy requests (change since baseline) | 398 (−4.1%) | 301 (−27.3%) |
| Year 2 (01/4/98–31/3/99) | ||
| Endoscopy requests (change since baseline) | 373 (−10.1%) | 325 (−21.5%) |
