Characteristics of study subjects
| Sarcoidosis | Healthy subjects | |
|---|---|---|
| Values are expressed as mean (SD) except for sex and smoking history (absolute numbers). | ||
| BMI, body mass index; FVC, forced vital capacity; FEV1, forced expiratory volume in 1 second; Tlco, carbon monoxide transfer factor; Pao2, arterial oxygen tension; Paco2, arterial carbon dioxide tension. | ||
| *p = 0.03; **p<0.01. | ||
| Sex (M:F) | 14:8 | 13:8 |
| Age (years) | 42 (9) | 42 (10) |
| Smoking (never/ex/current) | 12/9/1 | 11/7/3 |
| Height (cm) | 172 (9) | 172 (9) |
| BMI (kg/m2) | 27 (5) | 25 (4) |
| FVC (l) | 4.30 (1.37) | 4.81 (1.39) |
| FVC (% predicted) | 101 (19) | 114 (16) |
| FEV1/FVC (%) | 77 (8) | 79 (7) |
| Tlco (mmol/min/kPa)* | 7.92 (2.19) | 9.35 (2.05) |
| Tlco (% predicted)** | 77 (15) | 93 (12) |
| Pao2 (kPa) | 12.3 (1.2) | 12.9 (0.9) |
| Paco2 (kPa)** | 5.2 (0.5) | 5.6 (0.5) |