Table 2.
Diet A | Diet B | Diet C | Diet D | SE | p value | |
---|---|---|---|---|---|---|
Sodium (g/1,000 kcal) | 0.67 | 1.68 | 2.41 | 3.27 | ||
Caloric intake (kcal/BW0.71) | 88 | 86 | 86 | 86 | 2.4 | .83 |
Water intake (ml/kg/day) | 24.5† | 28.8‡ | 30.3‡ | 36.7§ | 1.38 | <.001 |
Urine volume (ml/kg/day) | 10.9† | 13.7‡ | 15.5‡ | 19.6§ | 0.69 | <.001 |
Urine specific gravity | 1.067† | 1.063†‡ | 1.061‡ | 1.051§ | 0.002 | <.001 |
Urine pH | 6.36† | 6.51† | 6.39† | 6.27‡ | 0.05 | <.001 |
CaOx RSS | 3.39† | 2.80‡ | 2.41‡ | 1.64§ | 0.25 | <.001 |
MAP RSS | 0.81† | 0.83† | 0.41‡ | 0.16§ | ‐ | <.001 |
Urinary concentrations | ||||||
Calcium (mmol/L) | 0.66† | 0.58† | 0.48‡ | 0.41‡ | 0.03 | <.001 |
Magnesium (mmol/L) | 3.53† | 3.30†‡ | 2.97‡ | 2.38§ | 0.14 | <.001 |
Sodium (mmol/L) | 139† | 279‡ | 359§ | 375§ | 8.3 | <.001 |
Potassium (mmol/L) | 270† | 225‡ | 177§ | 159¶ | 6.0 | <.001 |
Ammonium (mmol/L) | 229† | 196‡§ | 184§ | 136¶ | 5.1 | <.001 |
Phosphate (mmol/L) | 63† | 54‡ | 48‡ | 36§ | 1.4 | <.001 |
Sulphate (mmol/L) | 113† | 95‡ | 87‡ | 69§ | 2.7 | <.001 |
Oxalate (mmol/L) | 1.99† | 1.67†‡ | 1.55‡ | 1.02§ | 0.07 | <.001 |
Citrate (mmol/L) | 1.33† | 0.96†‡ | 0.64‡ | 0.59‡ | 0.14 | <.001 |
Urate (mmol/L) | 0.96† | 0.88†‡ | 0.79‡ | 0.56‡ | 0.03 | <.001 |
Urinary excretions | ||||||
Calcium (µmol/kg/24 hr) | 7.08 | 7.85 | 7.15 | 7.92 | 0.86 | .25 |
Data are presented as Least Square Means except for MAP RSS for which medians are indicated. Two different symbols within a row indicate significant difference (Scheffe test, p < .05).