Table 3 Reasons for erroneous M32 diagnoses assigned by rheumatologists
Reason for erroneous diagnosis | n (%) |
|---|---|
Unknown | 24 (20.9) |
Coding error | 3 (2.6) |
Primary diagnosis with no subsequent alternative pathology | 9 (7.8) |
Primary diagnosis with subsequent alternative pathology | 79 (68.7) |
other systemic connective tissue | 28 (24.4) |
musculoskeletal/arthritis | 19 (16.5) |
dermatological | 13 (11.3) |
other autoimmune | 10 (8.7) |
renal | 1 (0.9) |
other | 8 (7.0) |
Total | 115 (100.0) |