Multivariate parameter estimates, HRs and 95% CIs for arm exercise variables based on step-wise Cox analysis
| 5-year all-cause mortality | 5-year CV mortality | 5-year CV mortality or MI | 12-year all-cause mortality | 12-year CV mortality | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Parameter estimate | HR | Parameter estimate | HR | Parameter estimate | HR | Parameter estimate | HR | Parameter estimate | HR | |
| Heart rate recovery (bpm) | −0.06 | 0.94*** (0.91 to 0.97) | −0.10 | 0.90*** (0.86 to 0.95) | −0.08 | 0.93*** (0.89 to 0.96) | −0.04 | 0.96*** (0.94 to 0.98) | −0.05 | 0.95** (0.92 to 0.98) |
| Exercise capacity (METs) | −0.78 | 0.46 *** (0.33 to 0.63) | −0.75 | 0.47** (0.29 to 0.77) | −0.73 | 0.48*** (0.32 to 0.73) | −0.63 | 0.54*** (0.44 to 0.65) | −0.72 | 0.49*** (0.36 to 0.67) |
| ST depression ≥1 mm | 0.76 | 2.14** (1.22 to 3.78) | 1.07 | 2.92** (1.33 to 6.41) | 1.22 | 3.38*** (1.70 to 6.70) | 0.61 | 1.85** (1.24 to 2.76) | 0.90 | 2.46** (1.37 to 4.42) |
HRs for continuous variables indicate hazard change per single integer measurement unit.
*p<0.05; **p<0.01; ***p<0.001 by multivariate analysis.
CV, cardiovascular; METs, resting metabolic equivalents; MI, myocardial infarction.