Table 1.
Patient characteristics
| Characteristic | SSc patients with ILD (n = 5) | SSc patients without ILD (n = 3) | SLE patients (n = 8) | pSS patients (n = 4) |
|---|---|---|---|---|
| Age, mean, years | 69.4 | 66.7 | 41.4 | 49.3 |
| Female: male | 4: 1 | 2: 1 | 7: 1 | 3: 1 |
| Disease duration, mean, years | 5.0 | 4.9 | 9.0 | 5.1 |
| Current smoker, n | 1 | 0 | 0 | 0 |
| IS drugs, n | 1 | 0 | 7 | 2 |
| Limited SSc, n | 3 | 2 | — | — |
| Diffuse SSc, n | 2 | 1 | — | — |
| NSIP: UIP, n | 5: 0 | — | — | — |
| <20%, n | 0 | — | — | — |
| >20%, n | 5 | — | — | — |
ILD: interstitial lung disease; IS: Immunosuppresive; NSIP: non-specific interstitial pneumonia; UIP: usual interstitial pneumonia.