Research Article

The Association between Glomerular Filtration Rate Estimated Using Different Equations and Mortality in the Japanese Community-Based Population: The Yamagata (Takahata) Study

Table 2

Hazard ratios for mortality by the baseline eGFR.

eGFRcreateGFR-EPIeGFRcys

eGFR category
 UnadjustedHR (95%CI) valueHR (95%CI) valueHR (95%CI) value
 eGFR ≥ 90ReferenceReferenceReference
 75–891.21 (0.76–1.93)0.4162.17 (1.03–5.58)0.0421.38 (0.75–2.68)0.307
 60–742.17 (1.45–3.34)<0.0015.39 (2.54–13.9)<0.0012.59 (1.49–4.84)<0.001
 <602.47 (1.34–4.38)0.0054.64 (19.3–12.8)<0.0016.63 (3.82–12.4)<0.001
Age, gender-adjustedHR (95%CI) valueHR (95%CI) valueHR (95%CI) value
 eGFR ≥ 90ReferenceReferenceReference
 75–891.04 (0.66–1.66)0.8080.82 (0.37–2.98)0.670.94 (0.50–1.83)0.840
 60–741.37 (0.90–2.12)0.1431.07 (0.44–3.04)0.8831.28 (0.70–2.49)0.432
 <601.23 (0.66–2.22)0.5110.99 (0.37–2.98)0.9822.52 (1.33–5.08)0.004
eGFR values
 Per-15 mL/min/1.73 m2 decreaseHR (95%CI) valueHR (95%CI) valueHR (95%CI) value
 Unadjusted1.35 (1.17–1.56)<0.0011.55 (1.34–1.78)<0.0011.79 (1.55–2.07)<0.001
 Age, gender-adjusted1.10 (0.95–1.28)0.2161.15 (0.94–1.38)0.1771.40 (1.18–1.67)<0.001

eGFR: estimated glomerular filtration rate; HR: hazard ratio; CI: confidence interval.