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Multivariable-adjusted hazard ratios for low fitness and total mortality across 0 to 10 years, 10 to 20 years, and >20 years of follow-up, stratified by exercise ECG response (positive versus negative). Men and women were combined, and models were adjusted for sex, as well as age, systolic blood pressure, serum total cholesterol, body mass index, triglycerides, current smoking (yes/no), and diabetes (yes/no).
