Table 3

Relative risk of death from coronary heart disease according to Cox analysis among 1899 apparently healthy middle aged men followed up for 26 years

RR95% CIp Value
Data are given for eight variables collected during the baseline examination, including possible angina.
CI, confidence interval; FEV1, forced expiratory volume in one second; MHR, maximum heart rate on exercise; RR, relative risk; SBP, systolic blood pressure.
Univariate analysis
Possible angina (yes/no)1.971.21 to 3.220.0068
Multivariate analysis
Possible angina (yes/no)1.791.26 to 2.100.0220
Age (1 SD = 5.46 years)1.311.14 to 1.510.0002
Smoking (yes/no)1.631.26 to 2.100.0002
Cholesterol (1 SD = 1.19 mmol/l)1.201.07 to 1.340.0015
SBP (1 SD = 17.59 mm Hg)1.261.13 to 1.42<0.0001
MHR (1 SD = 13.3 beats/min)0.790.69 to 0.900.0004
Physical fitness (1 SD =  0.785 J/kg)0.830.70 to 0.990.0360
FEV1 (1 SD = 0.741 l)0.860.75 to 0.980.0270