Table 3 Breakdown of patients screened and reasons for exclusion.
| Centre A | Centre B | Centre C | Total | p Value | |
|---|---|---|---|---|---|
| Patient notes screened | 344 | 403 | 366 | 1113 | |
| Eligible patient notes (%) | 200 (58.1) | 194 (48.1) | 200 (54.6) | 594 | 0.02 |
| Exclusions (%) | 144 | 209 | 166 | 519 | |
| Trauma | 50 (34.7) | 96 (45.9) | 47 (28.3) | 193 | 0.5 |
| Surgical/post‐surgical | 15 (10.4) | 10 (4.8) | 20 (12.0) | 45 | 0.03 |
| Pregnancy‐related | 18 (12.5) | 14 (6.7) | 25 (15.0) | 57 | 0.03 |
| Psychiatric/psychosomatic | 13 (9.0) | 12 (5.7) | 12 (7.2) | 37 | 0.5 |
| Substance abuse | 15 (10.4) | 23 (11.0) | 21 (12.6) | 59 | 0.8 |
| Orthopaedic | 2 (1.4) | 19 (9.1) | 5 (3.0) | 26 | 0.001 |
| Incomplete data | 31 (21.5) | 35 (16.7) | 36 (21.7) | 102 | 0.4 |