Association of GA/A1c ratio and FCPR index with 9 other glucose variability formulas of 100 patients.

GA/A1c ratio, GA/HbA1c ratio; FCPR index, fasting plasma C-peptide/fasting plasma glucose×100; %CV, % coefficient of variation; Range, the difference between the highest and lowest interstitial glucose levels; IQR, Interquartile range; J-index, 0.001×(mean glucose value+SD)2; MAGE, mean amplitude of glycemic excursions; M5.6, MR with R = 5.6 mmol/l (100 mg/dl); IGC, index of glycemic control; MODD, mean of daily difference; CONGA, continuous overlapping net glycemic action.