Table 2.
Modeled versus estimated spKt/V
| 3/wk_conv (nd = 541) | 6/wk_day (nd = 687) | 6/wk noc (nd = 120) | 4/wk noc (nd = 18) | |
|---|---|---|---|---|
| Time (min) | 221 ± 33 | 147 ± 21 | 419 ± 37 | 430 ± 56 |
| Kd (mL/min) | 264 ± 29 | 274 ± 27 | 167 ± 20 | 185 ± 33 |
| Modeled two-pool V (L) | 37.3 ± 9.6 | 36.3 ± 9.5 | 41.0 ± 14 | 38.9 ± 15 |
| Modeled spKt/V | 1.59 ± 0.29 | 1.20 ± 0.22 | 1.87 ± 0.64 | 2.24 ± 0.80 |
| Estimated spKt/V GFAC = 0.008 | 1.59 ± 0.29 | 1.14 ± 0.22 | 1.60 ± 0.50 | 2.01 ± 0.66 |
| Estimated spKt/V GFAC adjusted for both F and PIDIa | 1.58 ± 0.29 | 1.19 ± 0.26 | 1.87 ± 0.73 | 2.25 ± 0.82 |
| Estimated spKt/V GFAC = 0.0174/PIDI) | 1.59 ± 0.30 | 1.19 ± 0.22 | 1.85 ± 0.72 | 2.33 ± 0.92 |
aAdjustment for F (number of treatments per week) and PIDI (days): GFAC = 0.008 (3/2); 0.006 (3/3); 0.0095 (6/2); 0.0175 (6/1); 0.009 (4/2); 0.0155 (4/1). Of the 6/week dialyses, 535 had PIDI = 1 and 272 PIDI = 2; of the 3/week dialyses, 387 had PIDI = 2 and 154 PIDI = 3; of the 4/week dialyses, 8 had PIDI = 1 and 10 had PIDI = 2; nd, no. of dialyses; conv, conventional; noc, nocturnal.