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Table 1 Statistical evaluation of OHRM versus the chest-strap HR monitor

From: Wrist-worn optical and chest strap heart rate comparison in a heterogeneous sample of healthy individuals and in coronary artery disease patients

Activities Hours collected Coverage Δ ≤ 10 bpm (%) Availability quality index > 0 (%) MAE (bpm) SEE (bpm) Bias (bpm)
Healthy normal weight, BMI < 25
 Walking 20.6 95.4 99.2 1.8 4.7 − 0.2
 Running 7.1 96.0 99.5 1.7 6.6 − 0.7
 Cycling 11.3 98.4 99.9 0.8 2.6 −0.3
 Gym 60.6 92.5 98.6 2.9 9.3 −1.1
 Household
 Sedentary 21.0 98.0 99.9 1.3 5.5 −0.3
 Overall 120.5 94.7 99.1 2.2 7.4 −0.7
Healthy over-weight, BMI > 25
 Walking 6.4 97.1 99.5 1.2 3.2 0.1
 Running 2.0 98.8 99.9 0.8 2.8 −0.3
 Cycling 3.8 98.9 99.9 0.7 2.2 −0.2
 Gym 22.6 95.6 99.3 2.0 7.0 −0.7
 Household
 Sedentary 3.4 99.3 100.0 0.9 3.9 −0.1
 Overall 38.2 96.6 99.5 1.5 5.8 −0.5
Pregnant
 Walking 9.6 93.7 98.9 2.4 6.1 −0.1
 Running
 Cycling 3.4 99.9 100.0 0.3 1.0 0.1
 Gym 3.4 86.4 97.6 3.4 7.2 −2.0
 Household 9.6 86.0 98.4 4.2 7.3 0.7
 Sedentary 1.7 97.9 100.0 1.1 2.7 −0.6
 Overall 27.7 91.1 98.8 2.8 6.2 −0.1
CAD
 Walking 2.6 96.9 99.9 1.7 4.2 1.0
 Running
 Cycling 2.1 85.6 98.5 4.4 7.1 2.6
 Gym 0.8 95.1 99.0 2.7 4.2 0.7
 Household 3.5 95.2 99.4 2.2 4.9 0.4
 Sedentary 1.4 99.7 100.0 0.8 1.6 0.1
 Overall 10.3 94.2 99.4 2.4 5.0 1.0
All
 Walking 49.9 94.6 99.0 2.0 5.2 −0.0
 Running 43.6 95.2 99.0 2.0 7.2 −0.5
 Cycling 93.4 96.0 99.5 1.7 5.3 −0.4
 Gym 67.5 92.2 98.6 3.0 9.5 −1.2
 Household 67.6 94.7 99.6 2.3 5.0 −0.4
 Sedentary 49.0 98.4 99.8 1.2 5.7 −0.4
 Overall 371.1 95.1 99.3 1.4 6.5 −0.5
  1. OHRM Optical Heart Rate Monitor, MAE Mean Absolute Error, SEE Standard Error of the Estimate, CAD Coronary Artery Disease