Table 1.
Sample characteristics
| Metformin monotherapy (n=1465) | Metformin plus sulfonylureas (n=620) | |
|---|---|---|
| Age, years | 61·4 (10·5) | 65·4 (9·4) |
| Men | 836 (57%) | 390 (63%) |
| BMI, kg/m2 | 32·6 (5·6) | 29·1 (4·9) |
| Baseline HbA1c, % | 8·7 (1·3) | 9·2 (1·3) |
| Baseline to metformin,* days | 18 (29) | 21 (30) |
| On-treatment HbA1c, % | 7·0 (1·0) | 7·4 (1·1) |
| Metformin dose, g/day | 1·26 (0·47) | 1·29 (0·51) |
| Adherence, % | 78·4 (16·6) | 78·3 (11·1) |
| Creatinine clearance, mL/min | 96·1 (32·7) | 79·5 (27·0) |
| HbA1c measurements, n | 3·9 (1·8) | 4·2 (1·9) |
Data are mean (SD) or number (%).
*
Time from baseline measurement of HbA1c to initiation of metformin treatment.