Table 2.
Investigations requested among 613 new patient referrals to a luminal gastroenterology clinic
| Diagnostic test | Frequency (%) |
|---|---|
| Coeliac serology | 327 (53.3) |
| Upper GI endoscopy | 253 (41.3) |
| Colonoscopy | 160 (26.1) |
| Computed tomography of abdomen | 102 (16.6) |
| Abdominal ultrasound scan | 61 (10.0) |
| SeHCAT scan | 49 (8.0) |
| Faecal elastase | 44 (7.2) |
| Small bowel meal and follow-through | 42 (6.9) |
| 24 h pH and oesophageal manometric studies | 32 (5.2) |
| Barium swallow | 28 (4.6) |
| Glucose hydrogen breath test | 24 (3.9) |
| Stool microscopy and culture | 18 (2.9) |
| Gastric emptying study | 17 (2.8) |
| Flexible sigmoidoscopy | 16 (2.6) |
| Pelvic ultrasound scan | 8 (1.3) |
| Anal manometric studies | 8 (1.3) |
| Magnetic resonance enterography | 7 (1.1) |
| Colonic transit studies | 5 (0.8) |
| Defaecating proctogram | 5 (0.8) |
| Barium meal | 4 (0.7) |
| Capsule endoscopy | 3 (0.5) |
GI, gastrointestinal.