Table 1.
Baseline Characteristics
| Characteristic | Result | |
|---|---|---|
| Sex | ||
| Male | 108 (56) | |
| Female | 86 (44) | |
| Age | 65.8 ± 10.0 | |
| Race | ||
| White | 184 (95) | |
| Black | 5 (3) | |
| Asian | 3 (1) | |
| Other | 1 (1) | |
| BMI | 28.3 ± 7.1 | |
| Ethnicity | ||
| Hispanic | 11 (6) | |
| Non-Hispanic | 183 (94) | |
| Smoking Status | ||
| Current | 3 (1) | |
| Past | 102 (54) | |
| Never | 85 (45) | |
| Missing | 4 | |
| Employment | ||
| Job/Volunteer Outside Home | 61 (33) | |
| Missing | 9 | |
| Clinical Diagnosis | ||
| CTD | 60 (31) | |
| cHP | 16 (8) | |
| FPF | 13 (7) | |
| IPF | 59 (30) | |
| Other PF* | 46 (24) | |
| Had a Surgical Biopsy | ||
| Yes | 74 (39) | |
| No | 117 (61) | |
| Missing | 3 | |
| Comorbid Conditions | ||
| CAD | 42 (22) | |
| COPD | 7 (4) | |
| DM | 22 (11) | |
| GERD | 99 (51) | |
| HTN | 60 (31) | |
| OSA | 36 (19) | |
| PE | 7 (4) | |
| PH | 14 (7) | |
Footnote: cHP = chronic hypersensitivity pneumonitis; FPF = familial pulmonary fibrosis; IPF = idiopathic pulmonary fibrosis; CTD = connective tissue disease, including rheumatoid arthritis (N = 9), systemic sclerosis (N = 19), undifferentiated connective tissue disease (N = 22), antisynthetase syndrome/myositis (N = 10); CAD = coronary artery disease; COPD = chronic obstructive pulmonary disease; DM = type II diabetes mellitus; GERD = gastroesophageal reflux disease; HTN = systemic hypertension; OSA = obstructive sleep apnea; PE = pulmonary embolism; PH = pulmonary hypertension; *diagnosis in medical records “ILD”