| Se (%) | Sp (%) | PPV (%) | NPV (%) | AUC |
---|---|---|---|---|---|
SpA cases vs non-SpA rheumatic controls | 97.4 | 92.0 | 74.0 | 99.3 | 0.947 (0.903–0.991) |
SpA cases vs healthy control population | 100.0 | 93.9 | 74.0 | 100.0 | 0.982 (0.966–0.998) |
SpA case vs the two control groups | 97.4 | 96.4 | 74.0 | 99.7 | 0.967 (0.939–0.995) |