Table 3 Polar OH1, entire trail run.

From: Heart rate processing algorithms and exercise duration on reliability and validity decisions in biceps-worn Polar Verity Sense and OH1 wearables

Criterion

Sec-sec

CS 15 s

CS 30 s

CS 1 min

AVG 5 s

AVG 10 s

AVG Session

Polar H10

162.5 (26.7)

162.1 (27.2)

161.8 (27.5)

160.8 (28.6)

162.5 (26.7)

162.5 (26.7)

162.9 (12.5)

Validity

Datapoints

Heart rate (bpm)

MAE (bpm)

MAPE (%)

Bias

Limits of agreement

CCC

OH1 sec-sec

38,134

157.3 (28.5)

6.8

4.1

5.2

35.2 to − 24.8

0.83

OH1 CS 15 s

2554

156.9 (28.9)

6.8

4.1

5.2

35.2 to − 24.8

0.84

OH1 CS 30 s

1328

156.5 (29.5)

6.8

4.2

5.3

35.6 to − 25.0

0.84

OH1 CS 1 min

640

155.8 (29.6)

6.4

4.0

5.0

33.9 to − 23.9

0.86

OH1 AVG 5 s

7618

157.3 (28.5)

6.7

4.1

5.2

35.0 to − 24.7

0.83

OH1 AVG 10 s

3804

157.3 (28.4)

6.6

4.0

5.2

34.8 to − 24.4

0.84

OH1 AVG session

30

157.3 (13.1)

5.6

3.3

5.6

26.4 to − 15.2

0.60

Equivalence

Datapoints

TOST lower p

TOST upper p

Lower estimate

Upper estimate

Lower 90% CI

Upper 90% CI

OH1 sec-sec

38,134

1.000

 < 0.001

− 5.17

5.17

4.84

5.50

OH1 CS 15 s

2554

0.997

 < 0.001

− 5.23

5.23

3.94

6.52

OH1 CS 30 s

1328

0.975

 < 0.001

− 5.35

5.35

3.53

7.17

OH1 CS 1 min

640

0.998

 < 0.001

− 5.07

5.07

2.40

7.75

OH1 AVG 5 s

7618

1.000

 < 0.001

− 5.19

5.19

4.45

5.92

OH1 AVG 10 s

3804

1.000

 < 0.001

− 5.21

5.21

4.17

6.25

OH1 AVG session

30

0.935

0.036

− 5.67

5.67

0.054

11.3

Reliability

Datapoints

Heart rate 1 (bpm)

Heart rate 2 (bpm)

CV (%)

ICC

  

OH1 sec-sec

19,067

157.6 (29.0)

156.6 (29.0)

3.1

0.85

  

OH1 CS 15 s

1277

157.4 (29.4)

156.5 (28.5)

2.9

0.86

  

OH1 CS 30 s

664

156.9 (30.2)

156.1 (28.9)

3.1

0.86

  

OH1 CS 1 min

320

156.2 (29.9)

155.3 (29.4)

2.6

0.88

  

OH1 AVG 5 s

3809

157.8 (28.8)

156.9 (28.2)

2.8

0.86

  

OH1 AVG 10 s

1902

157.8 (28.7)

156.9 (28.2)

2.7

0.86

  

OH1 AVG session

17

158.4 (11.8)

157.7 (13.5)

2.5

0.57

  
  1. sec-sec second-by-second, CS cross sectional, AVG average, bpm beats per minute, MAPE mean absolute percent error, CCC Lin’s Concordance Correlation Coefficient, TOST two one-sided tested, CV coefficient of variation, ICC intraclass correlation coefficient, CI confidence interval.
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