Characteristics of patients with a positive versus a negative (HRCT) scan
| HRCT positive for sarcoidosis | HRCT negative for sarcoidosis | Difference between groups (p value) | |
| Sex (number male/female) | 3/7 | 16/24 | 0.72 |
| Age years (median) | 71.1 | 44.7 | 0.002 |
| Chest x-ray (abnormal/normal) | 1/3 | 2/8 | 1.00 |
| Angiotensin-converting enzyme (raised/normal) | 2/8 | 4/34 | 0.28 |
| c-reactive protein (raised/normal) | 2/4 | 8/21 | 0.64 |
| Erythrocyte sedimentation rate (raised/normal) | 6/3 | 13/18 | 0.25 |
| Leucocytes (raised/normal) | 2/8 | 9/27 | 1.00 |
| Calcium (raised/normal) | 0/6 | 0/10 | 1.00 |
Chest x-ray and laboratory parameters were not available for all subjects.
ACE, normal range 7–20 U/l; CRP, normal range 0–10 mg/l; ESR, 1–12 mm after 1 h; calcium (normal range 2.20–2.60 mmol/l), leucocytes (normal range 4.0–10.0×109/l).