Fig 1.
Flow diagram of study selection.
KNHANES, Korea National Health and Nutrition Examination Survey; sCr, serum creatinine. “Study” refers to actual study participants’ data. “National estimate” refers to representative population estimates of the total Korean population.
Table 1.
Baseline characteristics of total study population according to metformin eligibility by sCr level, KNHANES 2009–2014.
Table 2.
eGFR categories of ineligible and eligible population by the sCr level, KNHANES 2009–2014.
Fig 2.
Expanding effects of changing from sCr-based to eGFR-based (MDRD) metformin prescription.
Each number represents national estimates of each populations. sCr, serum creatinine; eGFR, estimated glomerular filtration rate; F, female; M, male.
Table 3.
Characteristics according to eGFR categories of ineligible population by the sCr level, KNHANES 2009–2014.