Table 4.
Intraclass correlation coefficients (ICC and 95% CI) between individual reference values and mean values of randomly selected periods for heart rate (HR) and daily step count.
| Period | HR | Daily step count | ||
|
|
Patients, n | ICC (95% CI) | Patients, n | ICC (95% CI) |
| 1 hour | 16 | 0.68 (0.30-0.87) | N/Aa | N/A |
| 4 hours | 16 | 0.74 (0.41-0.90) | N/A | N/A |
| 1 day | 16 | 0.86 (0.65-0.95) | 16 | 0.78 (0.49-0.92) |
| 2 days | 16 | 0.87 (0.68-0.95) | 16 | 0.85 (0.63-0.94) |
| 3 days | 16 | 0.90 (0.75-0.96) | 16 | 0.92 (0.80-0.97) |
| 4 days | 16 | 0.92 (0.80-0.97) | 15 | 0.97 (0.92-0.99) |
| 5 days | 15 | 0.99 (0.96-0.99) | 15 | 0.97 (0.91-0.99) |
| 6 days | 15 | 0.97 (0.91-0.99) | 14 | 0.97 (0.90-0.99) |
| 7 days | 13 | 0.99 (0.95-1.00) | 13 | 0.99 (0.96-1.00) |
aN/A: not applicable.