Table 2.
BP levels by hypertension classification as defined by median midweek intradialytic BP
| SN | WCH | MHTN | SHTN | Total | P | |
|---|---|---|---|---|---|---|
| Ambulatory BP | ||||||
| systolic | 115.6 ± 11.9 | 122.2 ± 10.0 | 150.1 ± 14.4 | 150.2 ± 15.7 | 134.0 ± 21.3 | <0.01 |
| diastolic | 66.9 ± 8.8 | 70.2 ± 8.7 | 82.5 ± 12.8 | 87.3 ± 11.8 | 76.9 ± 14.0 | <0.01 |
| heart rate | 81.1 ± 11.0 | 79.1 ± 11.0 | 78.3 ± 11.5 | 78.5 ± 11.9 | 79.4 ± 11.4 | 0.28 |
| Median midweek intradialytic BP | ||||||
| systolic | 117.3 ± 12.0 | 148.4 ± 11.3 | 125.3 ± 10.1 | 157.3 ± 17.2 | 137.2 ± 22.5 | <0.01 |
| diastolic | 64.5 ± 7.8 | 82.9 ± 10.2 | 67.6 ± 7.4 | 86.7 ± 11.0 | 75.5 ± 13.8 | <0.01 |
| heart rate | 77.7 ± 12.5 | 73.8 ± 8.5 | 74.4 ± 12.0 | 75.2 ± 12.2 | 75.7 ± 11.8 | 0.13 |
| Prehemodialysis BP | ||||||
| systolic | 135.0 ± 15.9 | 150.5 ± 15.9 | 154.8 ± 17.6 | 163.7 ± 15.8 | 150.4 ± 20.2 | <0.01 |
| diastolic | 72.6 ± 9.3 | 82.2 ± 11.5 | 81.4 ± 10.2 | 89.9 ± 11.0 | 81.5 ± 12.7 | <0.01 |
| heart rate | 81.0 ± 11.9 | 80.5 ± 9.6 | 77.4 ± 11.4 | 78.5 ± 11.6 | 79.5 ± 11.5 | 0.15 |
| Posthemodialysis BP | ||||||
| systolic | 120.8 ± 12.6 | 140.5 ± 14.5 | 133.5 ± 15.0 | 153.4 ± 21.7 | 137.1 ± 21.8 | <0.01 |
| diastolic | 66.2 ± 8.2 | 77.3 ± 9.0 | 72.9 ± 10.9 | 83.7 ± 12.2 | 75.0 ± 12.7 | <0.01 |
| heart rate | 79.8 ± 12.2 | 78.3 ± 9.9 | 77.4 ± 9.8 | 79.3 ± 11.7 | 79.0 ± 11.4 | 0.58 |
The classification of hypertension categories was based on median midweek intradialytic BP and 44-hour ambulatory BP (see text).