Interstitial pneumonia with autoimmune features cohort baseline demographic and clinical characteristics#
| Age | 63.2±11 |
| Sex female | 75 (52.1) |
| Race/ethnicity | |
| White | 102 (70.8) |
| African-American | 25 (17.4) |
| Hispanic | 10 (6.9) |
| Asian | 7 (4.9) |
| Gastroesophageal reflux | 76 (52.8) |
| Hypothyroidism | 28 (19.4) |
| Diabetes mellitus | 17 (11.8) |
| Coronary artery disease | 32 (22.2) |
| Ever smoker | 79 (54.9) |
| Systemic corticosteroid Use | 46 (32.2) |
| Gastroesophageal reflux therapy | 76 (53.2) |
| Body mass index | 30±6.6 |
| Crackles¶ | 125 (89.3) |
| Clubbing+ | 21 (18.9) |
| Usual interstitial pneumonia by high-resolution computed tomography§ | 77 (54.6) |
| Usual interstitial pneumonia by surgical lung biopsyƒ | 61 (73.5) |
| Forced vital capacity in 1 s % predicted | 61.9±18.3 |
| Diffusion capacity of the lung for carbon monoxide % predicted | 45.3±20.6 |
Data are presented as mean±sd or n (%). #: N=144, unless otherwise stated; ¶: N=140; +: N=111; §: N=141; ƒ: N=83.