Table 2.

Summary of selected studies of weight loss in obese patients with type 2 diabetes treated by comprehensive lifestyle intervention.

Study	Weeks of Treatment	kcal/d	Mean % Reduction in Initial Weight
			End of Treatment	Follow-Up
Guare et al. (5)	16	20 kcal/kg wt.	8.0%	2.2% (at 1 yr)
Pascale et al. (6)	16	1000−1500	8.2%	5.5% (at 1 yr)
Wing et al. (7)	20	1000−1200	9.7%	6.5% (at 1 yr)
Wing et al. (8)	50	1000−1200	9.7%	5.5% (at 1 yr)

Note: Percentage reduction in weight was estimated, in some cases, from weight loss reported in kg. For each study, the table shows only the treatment group that was provided lifestyle modification in combination with a conventional program of diet and physical activity.