Pearson linear correlation of change in body weight and change in A1C. The solid black line represents the regression. Dotted lines represent the maximum body weight change in Quartiles 1 through 3. The r-value for all patients was 0.1579, and r-values for Quartiles 1 through 4 were 0.1847, 0.0267, 0.0485, and −0.0542, respectively. A1C, hemoglobin A1C; Q, quartile.