Hyperphosphatemia with elevated serum PTH and FGF23, reduced 1,25(OH)2D and normal FGF7 concentrations characterize patients with CKD

Table 2 Factors associated with highest intact FGF7 quartile by multivariate analysis

Variables	Adjusted Odds Ratio	P Value	95 % Confidence Interval
Male sex	0.47	0.22	0.14–1.56
Age (per 5 year increase)	0.86	0.13	0.73–1.07
Body mass index (per 5 kg/m² increase)	1.20	0.01	1.12–1.55
Estimated GFR (per 5 mL/min/1.73 m² increase)	0.89	0.06	0.79–1.09
Serum phosphate (per 1 mg/dL increase)	0.36	0.06	0.17–1.04
Serum 1,25(OH)₂D (per 1 pg/mL increase)	1.03	0.23	0.98–1.06

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