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. 2014 Apr 29;29(11):2099–2105. doi: 10.1093/ndt/gfu101

Table 4.

Interaction testing between FGF-23 and CKD status

Outcome P-value for interaction
LAE 0.712
SAE 0.253
Pulse pressure 0.935
ABI < 0.9 0.256
ABI > 1.3 0.997

FGF-23 was analyzed as a continuous variable. CKD was defined as eGFR < 60 mL/min/1.73 m2 or ACR > 30 mg/g.