Table 2.
Baseline hemodialysis session characteristics according to presence or absence of any intradialytic hypotensive event (average systolic BP decline >20 mm Hg)
| Characteristica | All Subjects | IDH | No IDH |
|---|---|---|---|
| Session length, h | 4.0 (3.5–4.0) | 4.0 (3.5–4.0) | 4.0 (3.5–4.0) |
| Dry weight target, kg | 81 (65–94) | 85 (73–120) | 71 (64–89) |
| Over dry weight target, kg | 4.2 (2.7–5.2) | 4.5 (2.7–5.9) | 4.1 (2.4–5.0) |
| UF rate (ml/kg per h) | 10.9 (7.4–15.9) | 10.5 (7.4–15.9) | 12.5 (7.1–15.9) |
| Dialysate temperature, % | |||
| 35.5 | 2 | 3 | 0 |
| 36.0 | 4 | 9 | 0 |
| 36.5 | 8 | 6 | 10 |
| 37.0 | 86 | 83 | 90 |
| Dialysate potassium, % | |||
| 1.0 | 2 | 0 | 3 |
| 2.0 | 80 | 80 | 81 |
| 3.0 | 17 | 17 | 16 |
| 4.0 | 2 | 3 | 0 |
| Dialysate calcium, % | |||
| 1.5 | 6 | 6 | 6 |
| 1.6 | 14 | 6 | 23 |
| 2.0 | 2 | 3 | 0.0 |
| 2.5 | 58 | 74 | 39 |
| 3.0 | 12 | 9 | 16 |
| 3.5 | 4 | 3 | 6 |
| 6.0 | 4 | 0.0 | 10 |
| Dialysate sodium, % | |||
| 135 | 10 | 6 | 15 |
| 138 | 10 | 9 | 11 |
| 140 | 80 | 85 | 74 |
| Dialysate bicarbonate, % | |||
| ≤30 | 11 | 9 | 13 |
| 31–34 | 18 | 14 | 23 |
| 35–37 | 51 | 49 | 55 |
| ≥38 | 20 | 29 | 10 |
| Sodium modeling, % | 14 | 11 | 16 |
| High flux, % | 64 | 83 | 42 |
| Membrane reuse, % | 27 | 31 | 23 |
| Cellulose membrane, % | 8 | 6 | 10 |
Percentages may not add up to 100 due to rounding. Values for continuous variables are given as median (25th–75th percentile). IDH, intradialytic hypotension; UF, ultrafiltration.
a
Baseline refers to the average values over the first 2 weeks of the study.