Table 2

Findings of CTCA

Non-anginalPossible angina
n5921027
Coronary calcium score
  Low (<100 AU),478 (80.7)646 (63.0)
  Medium (100–400 AU)68 (11.5)197 (19.2)
  High (>400 AU)46 (7.8)183 (17.8)
CTCA findings
  Normal295 (50.0)339 (33.3)
  Mild (<50%)158 (26.8)195 (19.1)
  Moderate (50%–70%)81 (13.7)182 (17.9)
  Obstructive56 (9.5)303 (29.7)
Prognostic CHD8 (1.4)86 (8.4)
  • CHD, coronary heart disease; CTCA, CT coronary angiography.