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 N | Metformin self-report | |||
| Study N | % | National estimate (N) | ||
| All | 342 | 53 | 15.5 | 182,500 |
| MDRD eGFR <30 mL/min/1.73 m2 | 122 | 4 | 3.3 | 5,800 |
| MDRD eGFR 30–44 mL/min/1.73 m2 | 170 | 36 | 21.2 | 120,800 |
| MDRD eGFR ≥45 mL/min/1.73 m2 | 50 | 13 | 26.0 | 55,800 |
Weights used to produce U.S. national estimates.