For the 74 subjects completing year 1 , weight loss in the office-based group C was as effective as the traditional dietitian-led group A ( 4.3 + / - 6.5 % vs. 4.1 + / - 6.4 % ) , while group B maintained a significantly greater weight loss ( 9.1 + / - 8.9 % ; p < 0.02 ; mean + / - SD ) .
