Table 3.

Final Cox regression model of factors predicting outcome

VariableHR95% Confidence IntervalP
Age (years)1.0241.013 to 1.035<0.001
Presence of diabetes1.6821.279 to 2.213<0.001
Serum albumin (g/L)0.9440.919 to 0.969<0.001
AAC score (tertile 1)a1
AAC score (tertile 2)3.6821.356 to 9.9970.011
AAC score (tertile 3)8.6403.528 to 21.158<0.001
PWV (m/s)1.1541.085 to 1.228<0.001
PWV × AAC score (tertile 1)a1
PWV × AAC score (tertile 2)0.8950.828 to 0.9680.005
PWV × AAC score (tertile 3)0.8650.808 to 0.925<0.001
  • a The first tertile of AAC score and its interaction term PWV × AAC score (tertile 1) served as the reference group.