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Table 5 Summary of findings: meta-analyses of mortality risk for relatively high/low biochemical parameter values versus referent values*

From: Is there an association between elevated or low serum levels of phosphorus, parathyroid hormone, and calcium and mortality in patients with end stage renal disease? A meta-analysis

Biochemical parameter

Mortality risk for relatively low biochemical parameter values

Mortality risk for relatively high biochemical parameter values

Risk ratio (95% CI)

I2

Risk ratio (95% CI)

I2

Phosphorus

1.02 (0.97-1.08)

30.5%

1.20 (1.15-1.25)

75.2%

Calcium

0.86 (0.83-0.89)

84.0%

1.10 (1.05-1.14)

39.9%

PTH

1.01 (0.97-1.05)

79.8%

1.11 (1.07-1.16)

47.8%

  1. *Statistical heterogeneity: the I2 statistic describes the percent of variation in the risk ratio that is attributable to heterogeneity in a meta-analysis.
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BMC Nephrology

ISSN: 1471-2369

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