Table 5 Urinary lithogenic risk factors on a 24-hour urine collection in healthy women split into two groups based on the Index of Lean Mass (ILM)
Group A | Group B | P (*) | p critical values (0.0038 < p < 0.003) | |
|---|---|---|---|---|
Low lean mass | High lean mass | |||
ILM < 1296 | ILM > 1296 | |||
N. 39 | N. 39 | |||
Volume, ml | 1603 ± 698 | 1640 ± 835 | 0.832 | |
Creatinine, mg/24 h | 991 ± 194 | 1138 ± 191 | 0.001 | ### |
Urea, mg/24 h | 22 ± 6 | 23 ± 6 | 0.486 | |
Sodium, mEq/24 h | 124 ± 49 | 143 ± 45 | 0.072 | |
Potassium, mEq/24 h | 47 ± 13 | 60 ± 18 | <0.001 | ### |
Calcium, mg/24 h | 156 ± 62 | 188 ± 91 | 0.076 | |
Phosphorus, mg/24 h | 520 ± 174 | 665 ± 186 | <0.001 | ### |
Magnesium, mg/24 h | 66 ± 20 | 85 ± 26 | <0.001 | ### |
Chloride, mEq/24 h | 131 ± 50 | 151 ± 49 | 0.074 | |
Uric acid, mg/24 h | 456 ± 136 | 508 ± 116 | 0.077 | |
Citrate, mg/24 h | 620 ± 178 | 807 ± 323 | 0.002 | ### |
Oxalate, mg/24 h | 21 ± 7 | 27 ± 11 | 0.015 | |
Sulfate, mmol/24 h | 16 ± 4 | 18 ± 5 | 0.085 | |
Ammonium, mmol/24 h | 27 ± 11 | 30 ± 9 | 0.275 | |
pH 24 h | 5.95 ± 0.51 | 5.96 ± 0.45 | 0.961 |