Table 1

Characteristics of patients with a positive versus a negative (HRCT) scan

HRCT positive for sarcoidosisHRCT negative for sarcoidosisDifference between groups (p value)
Sex (number male/female)3/716/240.72
Age years (median)71.144.70.002
Chest x-ray (abnormal/normal)1/32/81.00
Angiotensin-converting enzyme (raised/normal)2/84/340.28
c-reactive protein (raised/normal)2/48/210.64
Erythrocyte sedimentation rate (raised/normal)6/313/180.25
Leucocytes (raised/normal)2/89/271.00
Calcium (raised/normal)0/60/101.00
  • 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).