Table 3

Metformin self-report among adults with diabetes and routine access to care who are FDA ineligible for metformin by conventional sCr thresholds by eGFR category, NHANES 1999–2010

FDA ineligible for metformin
(serum creatinine ≥1.4 mg/dL for women; ≥1.5 mg/dL for men)
Overall study NMetformin self-report
Study N%National estimate (N)
MDRD eGFR <30 mL/min/1.73 m212243.35,800
MDRD eGFR 30–44 mL/min/1.73 m21703621.2120,800
MDRD eGFR ≥45 mL/min/1.73 m2501326.055,800
  • Weights used to produce U.S. national estimates.