|  | Data for 12 months Weight Loss (kg) | |||
---|---|---|---|---|---|
 |  | With Drop-outs | SD | Only Study Subjects | SD |
Foster, et al. | low carb | 4.4 | 6.7 | 7.3 | 7.3 |
 | low fat | 2.5 | 6.3 | 4.5 | 7.9 |
 | difference | 1.9 |  | 2.8 |  |
Stern, et al. | low carb | 5.1 | 8.7 | 7.3 | 8.3 |
 | low fat | 3.1 | 8.4 | 3.7 | 7.7 |
 | difference | 2 |  | 3.6 |  |