Fig. 1. Changes in the glucose levels, body weight, and insulin and sulfonylurea (SU) doses over 6 months. Changes in the (A) glycosylated hemoglobin (HbA1c) levels, (B) body weight, and (C) injected insulin dose in the SU maintenance and SU reduction groups during the study period. (D) Dose reduction of SU in the SU reduction group. The data are presented as the mean±standard error.