Table 2.
Faecal calprotectin, age and time from calprotectin to diagnosis by diagnostic category.
| Diagnosis category | n (%) | % female | Median age/years (IQR) |
Median faecal calprotectin/μg/g (IQR) |
Median time from calprotectin to diagnosis/days (IQR) |
|||
|---|---|---|---|---|---|---|---|---|
| Functional | 566/895 (63.2%) | 68.40% | 32.7 | (26.0–40.3) | 20 | (< 20–50.0) | 95 | (40–190) |
| IBD | 91/895 (10.2%) | 51.60% | 29.8 | (24.2–39.7) | 1251 | (532.5–2325.0) | 7 | (0–64) |
| Abnormal GI tract | 65/895 (7.3%) | 53.80% | 37.7 | (26.1–44.4) | 50 | (20.0–145.0) | 92 | (41–206) |
| Other GI | 63/895 (7.0%) | 65.10% | 35 | (27.0–42.8) | 20 | (< 20–70.0) | 92 | (35–153) |
| Other organic | 32/895 (3.6%) | 68.80% | 31 | (25.3–41.4) | 22.5 | (< 20–86.2) | 106 | (34–192) |
| Lost to Fup | 29/895 (3.2%) | 62.10% | 35.8 | (26.5–43.2) | 135 | (35.0–325.0) | ||
| None | 1/895 (0.1%) | 100.00% | 20.8 | 1825 | ||||
| Symptoms resolved — no GI pathology | 48/895 (5.4%) | 62.50% | 34.3 | (25.3–42.7) | 35 | (< 20–76.2) | ||