Fig. 2.

Sample selection. ¹ Conditions associated with unintentional weight change include malignancy, human immunodeficiency virus, cachexia, anorexia, abnormal weight gain or loss, feeding difficulties, gastrointestinal disorders, inflammatory bowel diseases, pancreatitis, and nutritional deficiencies (except for vitamin deficiency). BMI body mass index, FPG fasting plasma glucose, GHP Geisinger Health Plan, HbA1c glycosylated hemoglobin, ICD-9-CM International Classification of Diseases, Ninth Revision, Clinical Modification, PreD pre-diabetes, T2D type 2 diabetes