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Table 1 Eligibility of participants, sample size, and definition of outcome in each study

From: The effect of triglycerides to high-density lipoprotein cholesterol ratio on the reduction of renal function: findings from China health and retirement longitudinal study (CHARLS)

 

Eligibility of participants

Sample Size

Definition of Outcome

Subgroup 1

eGFR ≥ 60 mL/min/1.73 m2 at baseline

6,560

eGFR less than 60 mL/min/1.73 m2 at the exit visit in 2015

Subgroup 2

eGFR < 60 mL/min/1.73 m2 at baseline

756

Composite endpoint of decline in eGFR categoryb, Rapid decline in eGFRc and > 30 % decline in eGFRd

  1. Abbreviations: eGFR estimated glomerular filtration rate; CKD chronic kidney disease.
  2. aDecline in eGFR category (≥ 90 [G1], 60-89 [G2], 45-59 [G3a], 30-44 [G3b], 15-29 [G4], < 15 [G5] mL/min/1.73 m2) was defined as certain decrease in eGFR category from baseline.
  3. bRapid decline in eGFR was defined as sustained decline in eGFR > 5 mL/min/1.73 m2 per year.
  4. c30% decline in eGFR was defined as >30% decrease in eGFR from baseline.