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Assessment of agreement between Fitbit and EKG (N=22). Mean Difference is computed by subtracting EKG-derived heart rate from the Fitbit-measured heart rate, and reported in beats per minute
| Comparison | ICC (95% CI) | Mean Difference (95% Limits of Agreement) |
|---|---|---|
| Single measures | 0.83 (0.67, 0.90) | −6.04 (−26.42, 14.35) |
| 5 sec moving average | 0.83 (0.66, 0.90) | −6.07 (−25.73, 13.59) |
| 10 sec moving average | 0.84 (0.65, 0.91) | −6.07 (−25.08, 12.95) |
