Table 1.
GFAC (G-Factor) Value
| Dialysis sessions per week | Preceding Inter-Dialysis Interval (PIDI) in days | |||
|---|---|---|---|---|
| 1 | 2 | 3 | 4 | |
| 2 | 0.0055 | 0.0045 | ||
| 3 | 0.008 | 0.006 | ||
| 4 | 0.0155 | 0.009 | ||
| 5* | 0.0175 | 0.0095 | ||
| 6* | 0.0175 | 0.0095 | ||
| 7* | 0.0175 | 0.0175 | ||
*If dialysis session is more than 300 min, add 0.001 to GFAC value given above. Reproduced with permission from John T. Daugirdas. Reference: Daugirdas J.T, et al. Improved equation for estimating single-pool Kt/V at higher dialysis frequencies. Nephrology Dialysis Transplantation. August 2013;28 (8):2156-2160