| DURATION-4* | DURATION-2†| DURATION-3‡ | ||||||
---|---|---|---|---|---|---|---|---|---|
 | ExQW | Met | Sita | Pio | EQW | Sita | Pio | ExQW | IG |
N | 248 | 246 | 163 | 163 | 160 | 166 | 165 | 233 | 223 |
Sex (Male) (%) | 56 | 63 | 58 | 60 | 56 | 52 | 48 | 52 | 55 |
Race (%) | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 American Indian or Alaska Native | <1 | 1 | 1 | 0 | 0 | 2 | 0 | 0 | 0 |
 Asian | 22 | 21 | 20 | 21 | 23 | 25 | 24 | 6 | 6 |
 Black or African American | 3 | 5 | 2 | 3 | 12 | 12 | 8 | 1 | >1 |
 Hispanic | 7 | 9 | 8 | 9 | 31 | 30 | 27 | 12 | 9 |
 Other | 0 | <1 | 0 | 0 | 1 | 1 | 2 | 0 | 0 |
 White | 68 | 65 | 69 | 68 | 33 | 30 | 39 | 82 | 85 |
Age (y) | 54 ± 11 | 54 ± 11 | 52 ± 11 | 55 ± 11 | 52 ± 10 | 52 ± 11 | 53 ± 10 | 58 ± 10 | 58 ± 9 |
Duration of diabetes (y) | 3 ± 3 | 3 ± 4 | 3 ± 4 | 3 ± 4 | 6 ± 5 | 5 ± 5 | 6 ± 6 | 8 ± 6 | 8 ± 6 |
Baseline weight (kg) | 87 ± 19 | 86 ± 20 | 89 ± 19 | 86 ± 18 | 89 ± 20 | 87 ± 20 | 88 ± 21 | 91 ± 19 | 91 ± 16 |
Baseline BMI (kg/m 2 ) | 31 ± 5 | 31 ± 5 | 32 ± 5 | 31 ± 5 | 32 ± 5 | 32 ± 5 | 33 ± 6 | 32 ± 5 | 32 ± 5 |
Baseline HbA1c (%) | 8.5 ± 1.2 | 8.6 ± 1.2 | 8.5 ± 1.3 | 8.5 ± 1.2 | 8.6 ± 1.2 | 8.5 ± 1.2 | 8.5 ± 1.1 | 8.3 ± 1.1 | 8.3 ± 1.0 |
Baseline FBG (mmol/L) | 9.9 ± 2.9 | 10.0 ± 3.4 | 9.7 ± 2.6 | 9.8 ± 3.0 | 9.2 ± 2.9 | 9.1 ± 2.5 | 9.1 ± 2.4 | 9.9 ± 2.5 | 9.7 ± 2.7 |
Baseline SBP (mm Hg) | 129 ± 12 | 129 ± 15 | 130 ± 13 | 131 ± 15 | 126 ± 14 | 126 ± 14 | 127 ± 14 | 135 ± 17 | 133 ± 16 |
Baseline LDL (mmol/dL) | 3.1 ± 1.1 | 2.9 ± 0.9 | 3.0 ± 0.9 | 3.1± 1.0 | 2.6 ± 0.8 | 2.8 ± 0.9 | 2.9 ± 1.0 | 2.7 ± 0.9 | 2.7 ± 0.9 |
Background therapy (n) | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 Metformin |  |  |  |  | 160 | 166 | 165 | 164 | 157 |
 Diet and Exercise | 248 | 246 | 163 | 163 |  |  |  |  |  |
 Metformin + Sulfonylurea |  |  |  |  |  |  |  | 69 | 66 |