Table 1 Clinical features and laboratory findings of patients with NSIP
|  | NSIP (n = 55) |
|---|---|
Clinical manifestations, N (%) | |
Dyspnea | 40 (72.7) |
Cough | 47(85.5) |
Chest pain | 4(7.3) |
Dry eyes or dry mouth | 3(5.5) |
Fever | 7 (12.7) |
Arthralgia | 9(16.4) |
Skin rash | 6(10.9) |
Raynaud’s phenomenon | 3(5.5) |
Weight loss | 4(7.3) |
Crackles | 41(74.6) |
Clubbing | 21(38.2) |
Laboratory tests | |
 ESR, mm/h | 21.2 ± 19.2 |
 PaO2, mmHg | 77.8 ± 12.9 |
 PCO2, mmHg | 37.9 ± 8.4 |
Serological results, N (%) | |
 Anti-nuclear antibody | 14 (25.5) |
 Anti-SSA antibody | 3 (5.5) |
 Anti-neutrophil cytoplasmic antibody | 3 (5.5) |
 Anti-Jo-1 antibody | 1 (1.8) |
 Anti-Scl-70 antibody | 1 (1.8) |
PFT | |
 TLC, % predicted | 76.8 ± 14.1 |
 DLCO, % predicted | 56.4 ± 16.8 |
Baseline chest CT findings, N (%) | |
 Ground glass opacity | 34 (61.8) |
 Patchy opacity | 40 (72.7) |
 Irregular reticular opacity | 35 (63.6) |
 Traction bronchiectasis | 17 (30.9) |
 Pleural thickness | 5 (14.6) |