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Sensitivity and specificity of antinuclear antibody (ANA) tests in certain connective tissue diseases.1
| Disease | Sensitivity (%) | Specificity (%) |
| Polymyositis/dermatomyositis | 61 | 63 |
| Rheumatoid arthritis | 41 | 56 |
| Scleroderma | 85 | 54 |
| Secondary Raynaud | 64 | 41 |
| Sjögren’s syndrome | 48 | 52 |
| Systemic lupus erythematosus | 93 | 57 |
