Table 3

HRs for MACE based on CAC assessment

Unadjusted HR (95% CI)Adjusted HR (95% CI)*
Qualitative CAC assessment
 No visible CACReferenceReference
 Visible CAC6.0 (3.69 to 9.57)3.2 (1.8 to 5.6)
Quantitative CAC assessment
 CAC score†1.001 (1.001 to 1.001)1.0004 (1.0002 to 1.001)
 CAC percentile‡1.01 1.01 to 1.02)1.01 (1.01 to 1.02)
CAC percentile group
 <50th percentileReferenceReference
 ≥50th percentile2.6 (1.88 to 3.67)1.9 (1.4 to 2.7)
CAC by groups
 CAC score 0ReferenceReference
 CAC score 1–1002.97 (1.9 to 4.7)1.49 (0.88 to 2.54)
 CAC score 101–4003.60 (2.1 to 6.2)1.64 (0.89 to 3.03)
 CAC score>4005.01 (3.1 to 8.1)2.17 (1.23 to 3.84)
  • *Adjusted for age, sex, diabetes mellitus, smoking history, hypertension and dyslipidaemia.

  • †HR for each incremental CAC score value.

  • ‡HR for each incremental CAC percentile.

  • CAC, coronary artery calcium; MACE, Multi-Ethnic Study of Atherosclerosis.