Table 3.

Associations (HRs and 95% CIs) of FGF23 with first infection-related hospitalization

ModelQuartile 1 <53.34 RU/ml, n=786Quartile 2 =53.34–70.34 RU/ml, n=785Quartile 3 =70.35–99.33 RU/ml, n=786Quartile 4 >99.33 RU/ml, n=784Per Doubling of FGF23
Model 1Reference1.20 (1.01 to 1.41)1.28 (1.08 to 1.51)1.88 (1.58 to 2.22)1.30 (1.22 to 1.39)
Model 2Reference1.08 (0.92 to 1.28)1.07 (0.90 to 1.28)1.31 (1.09 to 1.58)1.14 (1.06 to 1.22)
Model 3Reference1.08 (0.91 to 1.28)1.05 (0.88 to 1.25)1.26 (1.05 to 1.53)1.11 (1.03 to 1.20)
  • Model 1: age, race, and sex. Model 2: model 1, smoking status, BMI, diabetes, CHD, CHF, eGFR (cystatin C equation), and urine ACR. Model 3: model 2, albumin, CRP, and IL-6. RU, relative unit.