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Comparison of HbA1c values on Afinion and DCA to central lab values. (a) Afinion (diamond) and DCA (square) values were compared for each sample with the Biorad results over each 3-month period. The difference (either positive or negative) from the Biorad result for each sample is graphed for the 2 techniques. The number of total samples (N) for each 3-month comparison is listed. (b) Comparison of Afinion and DCA values to Tosoh results.
