Table 3.
A comparison of model predictions without and with active urea secretion. Differences in model predictions are given as percentage of values computed without active urea secretion
| Urine | Without urea secretion | With urea secretion | Difference (%) |
|---|---|---|---|
| Urine composition | |||
| Osmolality (mosm/[kg H2O]) | 1077 | 1195 | +11.0 |
| Uurea (mmol/L) | 388 | 591 | +52.3 |
| UNa (mmol/L) | 298 | 251 | −15.8 |
| UNR (mmol/L) | 82.3 | 87.2 | −6.0 |
| Excretion rates | |||
| Flow rate (nL/[min · nephron]) | 0.0854 | 0.0863 | +1.1 |
| Osmole (pmol/[min · nephron]) | 92 | 103 | +12.0 |
| Urea (pmol/[min · nephron]) | 33 | 51 | +54.5 |
Na (pmol/[min · nephron]) |
25 | 22 | −11.9 |
| NR (pmol/[min · nephron]) | 7.03 | 7.53 | +7.11 |