Table 4.

Risk Reclassification for cardiovascular death after the addition of ECG Metrics

Base ModelaBase Modela + ECG parameters (PR, QRS, QTc, heart rate, and LVH)Reclassified as Higher RiskReclassified as Lower Risk
< 5%5%-25%>25%Total
<5%b231113512 (34.3%)N/A
5%-25%6698838 (9.6%)6 (7.2%)
>25%021012N/A2 (16.7%)
Total29821913020 (15.4%)8 (6.2%)
EVENTS
Base ModelaBase Modela + ECG parameters (PR, QRS, QTc, heart rate, and LVH)Reclassified as Higher RiskReclassified as Lower Risk
< 5%5%-25%>25%Total
<5%b2076622214064 (3.0%)N/A
5%-25%1644833267932 (4.7%)164 (24.2%)
>25%0142135N/A14 (40%)
Total224055955285496 (3.4%)178 (6.2%)
NON-EVENTS
  • LVH, left ventricular hypertrophy.

  • a The base model includes age, sex, race, history of cardiovascular disease, smoking, diabetes, systolic and diastolic blood pressure, body mass index, total cholesterol, HDL, eGFR and proteinuria (24 hour collection).

  • b Rate of cardiovascular death over a 5 year period.