Table 1.
Patient demographics and clinical data
| Diagnosis | |||
|---|---|---|---|
| RA (n = 26) | PsA (n = 24) | Control subject (n = 26) | |
| Age [years] | |||
| Mean | 52.7 | 46.3 | 48.4 |
| Standard deviation | 16.1 | 12.8 | 11.9 |
| Sex | |||
| Female | 9 (34.6%) | 14 (58.3%) | 14 (53.8%) |
| Male | 17 (65.4%) | 10 (41.7%) | 12 (46.2%) |
| BMI [kg/m2] | |||
| Mean | 25.1 | 26.9 | 27.0 |
| Standard deviation | 4.1 | 5.3 | 4.1 |
| Smoking | |||
| Neversmoker | 17 (65.4%) | 14 (58.3%) | 19 (73.1%) |
| Eversmoker | 9 (34.6%) | 10 (41.7%) | 7 (26.9%) |
| Chronic cough | |||
| No | 16 (61.5%) | 19 (79.2%) | 24 (92.3%) |
| Yes | 10 (38.5%) | 5 (20.8%) | 2 (7.7%) |
| Dyspnea | |||
| No (NYHA I) | 20 (76.9%) | 19 (79.2%) | 24 (92.3%) |
| Yes (NYHA II +) | 6 (23.1%) | 5 (20.8%) | 2 (7.7%) |
| Previous pulmonary disease | |||
| No | 23 (88.5%) | 22 (91.7%) | 22 (84.6%) |
| Bronchial asthma | 2 (7.7%) | 1 (4.2%) | 1 (3.8%) |
| COPD | 0 (0.0%) | 0 (0.0%) | 1 (3.8%) |
| Sarcoidosis | 0 (0.0%) | 1 (4.2%) | 2 (7.7%) |
Table 1 presents the epidemiological and disease-related characteristics of the study population, according to their rheumatological diagnosis
RA rheumatoid arthritis, PsA psoriatic arthritis, NYHA New York Heart Association, BMI Body Mass Index, COPD chronic obstructive pulmonary disease