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. 2023 Dec 14;7:e52519. doi: 10.2196/52519

Table 1.

Mean absolute percentage error (MAPE) and Bland-Altman analysis of heart rate readings of women and men in different activity phases.

State Seconds Device MAPE analysis, mean (SD) Bland-Altman analysis



MAEa (bpm) MAPE Mean difference (95% LoAb)
Women

Walking 1800 Q-Band 9.63 (11.15) 7.79 (8.59) –5.1 (–32.2 to 22.0)

Running 3000 Q-Band 23.86 (25.33) 13.35 (13.47) –22.9 (–74.3 to 28.6)

Cooldown 1800 Q-Band 7.61 (16.05) 4.57 (8.63) –2.2 (–36.7 to 32.4)

Overall 6600 Q-Band 15.55 (21.31) 9.44 (11.70) –12.4 (–58.0 to 33.3)
Men

Walking 1800 Q-Band 10.30 (13.41) 10.65 (16.55) 2.2 (–30.7 to 35.0)

Running 3000 Q-Band 15.11 (18.97) 8.54 (10.49) –14.0 (–52.8 to 24.8)

Cooldown 1800 Q-Band 6.04 (7.07) 3.83 (4.51) 4.8 (–10.7 to 20.4)

Overall 6600 Q-Band 11.33 (15.51) 7.83 (11.70) –4.5 (–41.1 to 32.1)

aMAE: mean absolute error.

bLoA: limits of agreement.