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. Author manuscript; available in PMC: 2015 Mar 26.
Published in final edited form as: J Nucl Cardiol. 2014 Mar 29;21(3):453–466. doi: 10.1007/s12350-014-9865-9

Table 2.

Multivariable model estimating all-cause mortality in 7,200 symptomatic patients with nonobstructive CAD

Hazard ratio 95.0% CI for HR
Wald χ2 P value
Lower Upper
Univariable model
 CAC score (per category)* 2.13 1.75 2.60 56 <.0001
 CAC 57
  1–10 1.46 0.51 4.21 <1 .48
  11–99 2.32 1.21 4.42 6 .011
  100–399 4.09 2.14 7.83 18 <.0001
  ≥400 10.17 5.43 19.06 52 <.0001
Multivariable model
 CAC score (per category)* 1.55 1.24 1.95 15 <.0001
 CAC score 18 .001
  1–10 0.93 0.32 2.71 <1 .90
  11–99 1.34 0.69 2.59 <1 .38
  100–399 1.68 0.83 3.40 2 .15
  ≥400 2.14 2.06 8.10 16 <.0001

Overall multivariable model χ2 = 138, P < .0001; covariates: age and other cardiac risk factors and presenting symptoms (overall mortality at 4 years: 2.2%, 76 deaths).

*

Per category: 0 (comparator) vs 1–10, 11–99, 100–399, and ≥400.