Characteristics of Outpatient Patients with Type 2 Diabetes
| Characteristics (n = 195) | Value |
|---|---|
| Age (yrs) (mean [SD]) | 61.5 (9.6) |
| Serum B12 (pg/mL) (mean [SD]) | 470.0 (311.4) |
| Serum folate (ng/mL) (mean [SD]) | 17.7 (12.7) |
| Length of diabetes diagnosis (yrs) (mean [SD]) | 8.3 (7.2) |
| Body mass index (kg/m2) (mean [SD]) | 31.4 (6.6) |
| Hemoglobin A1c (mean [SD]) | 7.3 (1.2) |
| Male (n [%]) | 104 (53.3) |
| Current metformin use* (n [%]) | 133 (68.2) |
| Any history of metformin use (n [%]) | 157 (80.5) |
| Multivitamin use (n [%]) | 104 (53.3) |
| Acidblocker use (n [%]) | 70 (36.1) |
| Calcium use (n [%]) | 35 (17.9) |
| Race (n [%]) | |
| White | 110 (56.4) |
| Asian† | 38 (19.4) |
| Black | 24 (12.3) |
| Other‡ | 23 (11.8) |
| Metformin dose§ (mg) (n [%]) | |
| 1-1000 | 32 (24.1) |
| 1001-1999 | 28 (21.0) |
| ≥2000 | 73 (54.9) |
* Current use defined as patients taking metformin upon enrollment in the study.
† Includes Pacific Islanders (n = 19).
‡ Includes Hispanic (n = 4), Native American (n = 1), and unknown (n = 18).
§ Numbers reflect patients currently taking metformin (n = 133).