Table 4.
Intraclass correlation coefficients (ICC) for comparison of systolic and diastolic blood pressure (SBP/DBP) parameters for five daily visits among healthy young individuals (n = 10)
| Mean ± SD (range) | ICC (95% CI) | |
|---|---|---|
| Sitting SBP (mmHg) | ||
| Maximum | 126.14 ± 5.11 (115 ~ 142) | 0.953 (0.884 ~ 0.987) |
| Minimum | 116.64 ± 5.97 (107 ~ 127) | 0.971 (0.928 ~ 0.992) |
| Fluctuation† | 9.50 ± 2.87 (5 ~ 16) | 0.500 (-0.086 ~ 0.847) |
| Sitting DBP (mmHg) | ||
| Maximum | 73.48 ± 4.40 (66 ~ 89) | 0.856 (0.643 ~ 0.959) |
| Minimum | 64.20 ± 3.15 (59 ~ 71) | 0.859 (0.656 ~ 0.960) |
| Fluctuation† | 9.28 ± 3.64 (5 ~ 20) | 0.794 (0.502 ~ 0.940) |
| Supine SBP (mmHg) | ||
| Maximum | 127.24 ± 4.46 (118 ~ 135) | 0.972 (0.931 ~ 0.992) |
| Minimum | 117.96 ± 6.96 (108 ~ 130) | 0.986 (0.965 ~ 0.996) |
| Fluctuation† | 9.28 ± 3.59 (3 ~ 18) | 0.886 (0.722 ~ 0.967) |
| Supine DBP (mmHg) | ||
| Maximum | 71.74 ± 4.81 (64 ~ 87) | 0.906 (0.763 ~ 0.973) |
| Minimum | 62.10 ± 3.44 (51 ~ 70) | 0.830 (0.584 ~ 0.951) |
| Fluctuation† | 9.64 ± 4.15 (4 ~ 25) | 0.837 (0.602 ~ 0.954) |
CI Confidence interval, SD Standard deviation.
†Difference between the maximum and minimum BP values observed in a single day.