Table 3.

Events and risk ratios for cardiovascular and all-cause mortality and graft failure per fibroblast growth factor 23 tertile

VariableAll PatientsPlasma FGF23 TertilesP Valuea
Tertile 1Tertile 2Tertile 3
Cardiovascular mortality
 Events/patient-years66/372211/134317/126038/1119
 Incidence rate/1000 person-years17.78.213.534.0
 Risk ratio (95% CI)Reference1.65 (0.73 to 3.89)4.15 (2.08 to 8.99)<0.001
All-cause mortality
 Events/patient-years128/372224/134333/126071/1119
 Incidence rate/1000 person-years34.417.926.263.4
 Risk ratio (95% CI)Reference1.47 (0.84 to 2.59)3.55 (2.21 to 5.90)<0.001
Graft failure
 Events/patient-years54/37228/13438/126038/1119
 Incidence rate/1000 person-years14.56.06.334.0
 Risk ratio (95% CI)Reference1.07 (0.35 to 3.26)5.70 (2.62 to 14.15)<0.001
  • FGF23, fibroblast growth factor 23; CI, confidence interval.

  • a For trend.