Table 4.
Analysis of ROC by significantly different indices between severe ILD group and non-severe ILD group.
| Analysis of ROC |
||||||
|---|---|---|---|---|---|---|
| AUC | 95% CI | Value of cut-off | Sensitivity (%) (CI) | Specificity (%) (CI) | p Value | |
| Age of onset | 0.691 | 0.546–0.837 | 52.50 | 0.458 (0.279, 0.649) | 0.852 (0.675, 0.941) | .019* |
| ALB | 0.669 | 0.517–0.822 | 35.90 | 0.917 (0.742, 0.985) | 0.462 (0.288, 0.645) | .041* |
| ESR | 0.690 | 0.523–0.856 | 21.50 | 0.944 (0.742, 0.997) | 0.478 (0.292, 0.670) | .039* |
| IgM | 0.706 | 0.547–0.865 | 1.825 | 0.900 (0.699, 0.982) | 0.429 (0.245, 0.635) | .024* |
| IL-4 | 0.855 | 0.696–1.000 | 0.895 | 0.909 (0.623, 0.995) | 0.727 (0.434, 0.903) | .005** |
| P/F ratio | 0.865 | 0.729–1.000 | 342.2 | 0.842 (0.624, 0.945) | 0.857 (0.601, 0.975) | .000** |
| STRAD(S6%V7) | 0.883 | 0.791–0.974 | 0.056 | 0.833 (0.642, 0.932) | 0.778 (0.592, 0.894) | .000** |
| STRAD(S6%V7)-Ro52 | 0.899 | 0.795–1.000 | – | 0.846 (0.578, 0.973) | 0.864 (0.667, 0.953) | .000** |
ALB: albumin; ESR: erythrocyte sedimentation rate; IgM: immunoglobulin M; IL-4: interleukin-4; P/F ratio: arterial oxygen/fraction of inspiration oxygen.
*
p < .05.
**
p < .01.