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Table 2 Correlations between parameters that have interaction with FGF23

From: Deviations from the expected relationship between serum FGF23 and other markers in children with CKD: a cross-sectional study

n = 144 CysC eGFR [mL/min/1.73 m2] Phosphate [mmol/L] Ionized Calcium 1,25 (OH)2 Vit D [pmol/L] PTH [pmol/L] pH Bicarbonate CRP
FGF23 [pg/mL]
(r-rho, p)
−0.548
0.000*
0.667
0.000*
−0.360
0.000*
−0.338
0.000*
0.516
0.000*
0.213
0.029*
0.156
0.071
0.243
0.004*
ΔFGF23 [pg/mL]
(r-rho, p)
0.193
0.021*
0.329
0.000*
−0.144
0.107
−0.043
0.628
0.205
0.018*
0.219
0.026*
0.029
0.743
0.048
0.585
  1. *denotes significant associations (p < 0.05)
  2. FGF23 Fibroblast Growth Factor 23, CysC Cystatin C, Vit Vitamin, PTH Parathyroid Hormone
  3. ΔFGF23 was calculated as measured FGF23 - expected FGF23
  4. As seen in Fig. 1, the expected FGF23 for a given cystatin C concentration can be calculated as Y = 1295 * e-0.07247*X + 38.35, where X is a given cystatin C concentration and Y is the expected FGF23 concentration