Table 2.
Reproducibility of dialysis unit BP measurements
| Method No.Timing | Systolic BP (mmHg) |
Diastolic BP (mmHg) |
|||||||
|---|---|---|---|---|---|---|---|---|---|
| Mean Systolic BP | SD Between Patients | SD Within Patients | ICC | Mean Diastolic BP | SD Between Patients | SD Within Patients | ICC | ||
| 1 | Pre-HD | 146.6 | 20.7 | 17.2 | 0.59 | 80.0 | 12.3 | 11.0 | 0.56 |
| 2 | Post-HD | 133.1 | 19.6 | 15.5 | 0.62 | 73.1 | 10.6 | 10.4 | 0.51 |
| 3 | Intradialytic | 135.0 | 18.7 | 13.0 | 0.67 | 74.4 | 11.2 | 7.7 | 0.68 |
| 4 | Intradialytic + pre-HD + post-HD | 136.0 | 18.5 | 12.2 | 0.70 | 74.8 | 11.1 | 7.3 | 0.70 |
| 5 | Pre-HD + post-HD | 140.0 | 18.7 | 13.4 | 0.66 | 76.6 | 11.1 | 8.5 | 0.63 |
BP, blood pressure; HD, hemodialysis; ICC, intraclass correlation coefficient.