Table 2.
Changes in Serum [HCO3ˉ], H+ Retention, and Urinary Citrate Excretion in Eubicarbonatemic Patients With CKD 1 and CKD 2 After 30-Day Administration of Fruits and Vegetables
| Parameter | CKD 1 (n = 26) | CKD 2 (n = 40) | Intergroup P |
|---|---|---|---|
| Serum [HCO3ˉ], mEq/L | |||
| Baseline | 26.4 ± 0.6 | 25.9 ± 0.8 | <0.01 |
| 30-d F+V | 26.6 ± 0.3 | 26.2 ± 0.6 | <0.01 |
| P | 0.08 | <0.01 | |
| H+ retention, mEq | |||
| Baseline | 5.2 ± 12.0 | 28.1 ± 9.4 | <0.01 |
| 30-d F+V | 4.7 ± 15.6 | 18.4 ± 17.4 | <0.01 |
| P | 0.88 | <0.01 | |
| Urinary citrate, mg/8 h | |||
| Baseline | 335 ± 125 | 187 ± 40 | <0.01 |
| 30-d F+V | 369 ± 125 | 245 ± 70 | <0.01 |
| P | <0.02 | <0.01 |
Note: Values are mean ± standard deviation.
Abbreviations: 30-d F+V, 30-day administration of fruits and vegetables; CKD, chronic kidney disease. Created from data included in reference 48.