Table 3 Relative risk (RR) of death in the quartiles (each n = 399) of peak oxygen pulse in 1596 men with no history of CHD and who were not taking β blockers at baseline.
| CHD death (n = 67) | Overall deaths (n = 267) | |||||
|---|---|---|---|---|---|---|
| RR (95% CI)* | RR (95% CI)† | No of cases | RR (95% CI)* | RR (95% CI)† | No of cases | |
| Peak oxygen pulse (ml/beat) | ||||||
| >17.8 | 1.00 (reference) | 1.00 (reference) | 10 | 1.00 (reference) | 1.00 (reference) | 47 |
| 15.8–17.8 | 1.40 (0.62 to 3.17); p = 0.417 | 1.32 (0.59 to 3.01); p = 0.497 | 14 | 1.24 (0.85 to 1.83); p = 0.265 | 1.19 (0.81 to 1.75); p = 0.395 | 59 |
| 13.5–15.7 | 1.38 (0.61 to 3.13); p = 0.438 | 1.21 (0.52 to 2.82); p = 0.657 | 14 | 1.34 (0.91 to 1.96); p = 0.135 | 1.18 (0.80 to 1.75); p = 0.427 | 63 |
| <13.5 | 2.87 (1.37 to 6.00); p = 0.005 | 2.45 (1.10 to 5.45); p = 0.028 | 29 | 2.08 (1.45 to 2.99); p<0.001 | 1.79 (1.21 to 2.65); p = 0.003 | 98 |
*Adjusted for age and examination year (1985–9); †adjusted for age, examination year, alcohol consumption, smoking, body mass index, systolic and diastolic blood pressures, serum lipids (triglycerides, serum low density lipoprotein and high density lipoprotein cholesterol), diabetes, family history of coronary heart disease (CHD) and ischaemic ST changes during exercise.