Table 2

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

FDA eligible for metformin
(sCr <1.4 mg/dL for women; <1.5 mg/dL for men)
Overall study NMetformin self-report
Study N%National estimate (N)
All3,2691,33140.76,517,600
MDRD eGFR <30 mL/min/1.73 m20000
MDRD eGFR 30–44 mL/min/1.73 m2531834.085,400
MDRD eGFR ≥45 mL/min/1.73 m23,2161,31340.86,432,200
  • Weights used to produce U.S. national estimates.