| Variable | Number (percentage %) |
|---|---|
| Sex | Women 12 (52.2), Men 11 (47.8%) |
| Exposition to toxic | 3 (13%) |
| Dry syndrome | 19 (82.6%) |
| Altered Schirmer test | 11 (55%) |
| Antinuclear antibody (>1/160) | 12 (52.2%) |
| Anti La/Ro52/Ro60 | 0 (0) |
| Rheumatoid Factor | 6 (26.1%) |
| Previous corticosteroid therapy | 7 (30.4%) |
| Diagnostic lip biopsy | 9 (39.1%) |
| IPAF criteria | 16 (69.6%) |
| ILD pattern | UIP 4 (17.4%), NSIP 13 (56.5%), LIP 1 (4.3%) |