TABLE 2.
SERUM AND URINE MEASUREMENTS IN MEDULARY SPONGE KIDNEY STONE FORMERS
| Case | SERUM | URINE | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Creat mg/dl |
K mmol/L |
HCO3 meq/L |
Vol l/day |
pH | Calcium mg/d |
Oxalate mg/d |
Citrate mg/d |
Sulfate meq/d |
NH4 mmol/d |
Ca/Cr mg/gm |
SS CaOx |
SS CaP | |
| 1 | 1.0 | 4.0 | 24 | 3.16 | 5.96 | 275 | 49 | 347 | 51 | 58 | 142 | 5.62 | 0.63 |
| 2 | 0.6 | 4.2 | 24 | 1.41 | 5.48 | 239 | 28 | 931 | 43 | 31 | 201 | 9.22 | 0.87 |
| 3 | 1.4 | 3.7 | 31 | 3.41 | 6.55 | 212 | 56 | 285 | 33 | 32 | 94 | 5.53 | 0.90 |
| 4 | 0.5 | 3.2 | 26 | 1.29 | 6.30 | 229 | 43 | 285 | 35 | 39 | 214 | 12.1 | 2.30 |
| 5 | 0.7 | 3.9 | 27 | 1.55 | 6.11 | 164 | 24 | 519 | 36 | 36 | 138 | 5.19 | 0.95 |
| 6 | 0.7 | 4.1 | 28 | 1.42 | 5.95 | 240 | 37 | 685 | 44 | 29 | 184 | 10.58 | 1.22 |
| 7 | 0.7 | 4.4 | 24 | 2.80 | 5.93 | 149 | 40 | 548 | 17 | 34 | 135 | 4.45 | 0.22 |
| 8 | 1.0 | 4.0 | 24 | 1.73 | 6.09 | 272 | 33 | 994 | 30 | 23 | 187 | 7.51 | 1.47 |
| 9 | 0.9 | 4.2 | 28 | 2.21 | 5.92 | 199 | 30 | 255 | 31 | 30 | 93 | 4.41 | 0.69 |
| 10 | 1.0 | 4.5 | 25 | 3.72 | 6.10 | 231 | 38 | 806 | 26 | 24 | 207 | 3.45 | 0.35 |
| 11 | 1.2 | 4.1 | 24 | 3.50 | 6.32 | 473 | 62 | 2370 | 58 | 53 | 199 | 8.30 | 1.83 |
| 12 | - | - | - | 1.30 | 6.30 | 324 | 31 | 536 | 30 | 18 | 252 | 11.1 | 3.65 |
| Mean | 0.9±0.1 | 4.0 ± 0.1 | 26 ± 0.7 | 2.3±0.2 | 6.1±0.1 | 250±18 | 39±3 | 641±76 | 36±2 | 34±2 | 170±13 | 7.3±0.8 | 1.3±0.3 |
Data for each patient is the mean of two 24 hour urines done off medications; a single serum was measured for each patient. Values are means and SEM. Creat, creatinine; Vol, volume; NH4, ammonium; Ca, calcium; Cr, creatinine; SS, supersaturation; CaOx, calcium oxalate; CaP, calcium phosphate.