TABLE 3.
Risk factor | Model 1: Univariate model
|
Model 2b: Multivariable model
|
||
---|---|---|---|---|
HR | 95% CI | HR | 95% CI | |
10-y CHD riskc | ||||
Low | 1.00 | – | 1.00 | – |
Moderate or high | 5.66 | 4.25–7.55 | 5.38 | 4.03–7.19 |
| ||||
CRF | ||||
Low 1.00 | – | 1.00 | – | |
Moderate | 0.93 | 0.71–1.22 | 0.98 | 0.75–1.30 |
High | 0.67 | 0.51–0.88 | 0.74 | 0.56–0.98 |
CHD = coronary heart disease; CRF = cardiorespiratory fitness; FRS = Framingham Risk Score; HR = hazard ratio.
Model 2 investigates the association between CRF (categorized into low, moderate, and high) and CHD events while controlling for moderate or high 10-y CHD risk and baseline examination year.
Low or moderate or high 10-y CHD risk is a comparative risk calculated from the summation of FRS points. Moderate or high risk is defined as a sum of >5 points.