Table 4. Reliability data for various parameters in response to repeated bouts of graded exercise and the Wingate test. Parameter ICC 95 %CI SEM MD GXT COmax .95 .88 – .98 1.8 3.7 SVmax .95 .88 – .98 7.2 19.9 HRmax .97 .91 – .99 1.3 3.5 WAnT COmax .90 .72 – .96 1.8 4.9 SVmax .81 .62 – .95 11.6 32.1 COmax .90 .72 – .96 1.8 4.9 ICC = intraclass correlation; CI = confidence interval; SEM = standard error of the mean; MD = minimum difference; WAnT = Wingate anaerobic test; CO = cardiac output; SV = stroke volume; HR = heart rate; GXT = graded exercise test