Table 1 Positive predictive value (PPV) by M32 assignment categories and whole database
M32 assignment category | n (%) | SLE confirmed, n (%) | PPV (95%CI) |
|---|---|---|---|
general practitioner | 126 (18.6) | 26 (6.4) | 20.6 (13.9–28.7) |
other specialist | 57 (8.4) | 9 (2.2) | 15.8 (7.4–27.9) |
1 time rheumatologist | 105 (15.5) | 12 (3.0) | 11.4 (6.0–19.1) |
2 times rheumatologist | 37 (5.5) | 14 (3.5) | 37.8 (22.4–55.2) |
3 times rheumatologist | 26 (3.8) | 18 (4.5) | 69.2 (48.2–85.7) |
4 or more times rheumatologist | 326 (48.2) | 325 (80.4) | 100.0 |
Total | 677 (100.0) | 404 (100.0) | 59.7 (55.8–63.4) |