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Comparison of indexes of calcium and phosphorus metabolism (mean ± SD).
| Group | Serum phosphorus (mmol/L) | Blood calcium (mmol/L) | Calcium-phosphorus product (mol2/L) |
|---|---|---|---|
| Combined group | 1.60 ± 0.65 | 2.51 ± 0.28 | 3.97 ± 1.57 |
| Conventional group | 2.94 ± 0.92 | 2.01 ± 0.18 | 5.87 ± 1.87 |
| t | −6.050 | −7.814 | −5.197 |
| P | <0.001 | <0.001 | <0.001 |
