Fig 1.
Of the 139,792 National Health Insurance beneficiaries in Gunma screened in fiscal year 2018, 65,553 had follow-up eGFR data for the fiscal years 2018 and 2020. After excluding 506 patients on dialysis, two with missing BMI, and 75 with BMI < 14 or ≥40 kg/m², 64,970 were included in the analysis. eGFR, estimated glomerular filtration rate; BMI, body mass index.
Table 1.
Baseline characteristics of participants based on BMI categories.
Table 2.
Odds ratios for ≥30% decline in eGFR at 2 years, by BMI categories.