Table 2.

Incidence rates of first infection-related hospitalization by FGF23 quartile for the overall cohort and stratified by eGFR

FGF23No. of EventsPerson-yrRate per 100 person-yr
Overall Cohort
 Quartile 1: <53.34 RU/ml (n=786)26679.63.3
 Quartile 2: 53.34–70.34 RU/ml (n=785)29375.13.9
 Quartile 3: 70.34–99.33 RU/ml (n=786)29771.24.2
 Quartile 4: >99.33 RU/ml (n=784)30852.75.8
eGFR≥60 ml/min per 1.73 m2
 Quartile 1: <53.34 RU/ml (n=720)24474.13.3
 Quartile 2: 53.34–70.34 RU/ml (n=639)23362.93.7
 Quartile 3: 70.34–99.33 RU/ml (n=570)20955.73.8
 Quartile 4: >99.33 RU/ml (n=380)15331.74.8
eGFR<60 ml/min per 1.73 m2
 Quartile 1: <53.34 RU/ml (n=66)225.54.0
 Quartile 2: 53.34–70.34 RU/ml (n=146)6012.34.9
 Quartile 3: 70.34–99.33 RU/ml (n=216)8015.55.7
 Quartile 4: >99.33 RU/ml (n=404)15521.07.4
  • RU, relative unit.