Relationship between A1C and fasting plasma glucose in dysglycemia or type 2 diabetes: an analysis of baseline data from the ORIGIN trial. - Ramachandran A; Riddle MC; Kabali C; Gerstein HC; ORIGIN Investigators; Ramachandran, Ambady; Riddle, Matthew C; Kabali, Conrad; Gerstein, Hertzel C (Diabetes Care, 2012)