Table 2.
Pre-dialysis sK levels following a LIDI vs a SIDI during the first week in patients who received HD three-times weekly.
| Pre-dialysis serum potassium (mmol/L) | n = 509a |
|---|---|
| Mean (SD) | |
| LIDI | n = 507 |
| Mean (SD) | 4.79 (0.73) |
| Median (range) | 4.75 (2.9–7.9) |
| sK (mmol/L), n (%) | |
| >5.0 | 187 (36.9) |
| >5.5 | 77 (15.2) |
| >6.0 | 24 (4.7) |
| >6.5 | 11 (2.2) |
| SIDI | n = 471 |
| Mean (SD) | 4.70 (0.69) |
| Median (range) | 4.65 (3.2–7.4) |
| sK (mmol/L), n (%) | |
| >5.0 | 146 (31.0) |
| >5.5 | 60 (12.7) |
| >6.0 | 17 (3.6) |
| >6.5 | 6 (1.3) |
| Difference (LIDI vs SIDI) | n = 469 |
| Mean (SD) | –0.10 (0.43) |
HD, hemodialysis; LIDI, long interdialytic interval; SD, standard deviation; SIDI, short interdialytic interval.