Table 3.
Renal hemodynamics
| Parameter | Euhydrated Group |
Hypohydrated Group |
P Value |
||||||
|---|---|---|---|---|---|---|---|---|---|
| All Participants | Males | Females | All Participants | Males | Females | Sex | Hydration | Sex × Hydration | |
| Mean arterial pressure, mmHg | 82 (79, 84) | 83 (79, 87) | 80 (77, 84) | 80 (78, 82) | 81 (78, 84) | 79 (75, 83) | 0.2906 | 0.2070 | 0.9121 |
| Renal artery | |||||||||
| Blood velocity, cm/s | 45.8 (43.2, 48.5) | 45.8 (42.2, 49.3) | 45.9 (41.2, 50.6) | 44.6 (41.8, 47.4) | 43.7 (40.2, 47.1)* | 45.6 (40.5, 50.6) | 0.7034 | 0.0445 | 0.1463 |
| Vascular resistance, mmHg/cm/s | 1.8 (1.7, 1.9) | 1.8 (1.6, 2.0) | 1.8 (1.6, 2.0) | 1.8 (1.7, 1.9) | 1.9 (1.7, 2.0) | 1.8 (1.6, 2.0) | 0.5263 | 0.7876 | 0.2727 |
| Segmental artery | |||||||||
| Blood velocity, cm/s | 36.1 (33.0, 39.1) | 33.8 (30.3, 37.4) | 38.3 (33.1, 43.6) | 36.4 (34.0, 38.7) | 35.0 (32.4, 37.6) | 37.7 (33.6, 41.9) | 0.3530 | 0.6330 | 0.4861 |
| Vascular resistance, mmHg/cm/s | 2.3 (2.1, 2.5) | 2.5 (2.2, 2.7) | 2.2 (1.9, 2.2) | 2.2 (2.1, 2.4) | 2.3 (2.2, 2.5) | 2.1 (1.9, 2.4) | 0.1019 | 0.0623 | 0.3059 |
Values are represented as means with 95% confidence intervals; n = 22 participants (11 males and 11 females). Data were analyzed using two-way ANOVA with factors of sex and hydration and post hoc Holm–Šídák tests for multiple comparisons.
*Different from the euhydrated group for a given sex (P = 0.0351).