Table 3 ICC analysis of the THR determined by the standardized reserve heart rate method and the HRVT1 (n = 48).

From: Exercise heart rates determined by a ventilatory threshold vs. standardized equation methods in individuals with metabolic syndrome

 

Exercise intensity Percentage

ICC value

95% Confidence interval

P value

Lower limit

Upper limit

Foxa

35% HRR

0.862**

0.766

0.920

< 0.001

40% HRR

0.726*

0.573

0.833

< 0.001

45% HRR

0.504*

− 0.087

0.817

< 0.001

Millerb

35% HRR

0.780**

0.636

0.871

< 0.001

40% HRR

0.597*

0.373

0.755

< 0.001

45% HRR

0.394

− 0.031

0.707

< 0.001

Tanakac

35% HRR

0.825**

0.709

0.898

< 0.001

40% HRR

0.669*

0.486

0.797

< 0.001

45% HRR

0.451

0.024

0.729

< 0.001

CPETd

35% HRR

0.787**

0.659

0.873

< 0.001

40% HRR

0.850**

0.747

0.913

< 0.001

45% HRR

0.757**

0.619

0.853

< 0.001

  1. 0.9 > **ICC > 0.75, 0.75 > *ICC > 0.5
  2. a. Data calculated with the Fox equation; b. data calculated with the Miller equation; c. data calculated with the Tanaka equation; d. data calculated with the peak heart rate measured by the CPET.
  3. Abbreviation: HRR = heart rate reserve.
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