https://www.selleckchem.com/pr....oducts/sbc-115076.ht
88x + 2.94 for Roche and y = 1.03x + 2.48 for IDS. Mean bias (±SD) in samples with 25(OH)D2 concentrations less than 5 ng/mL was -0.25 ng/mL (±6.3 for Roche and -1.45 ng/mL (±6.82) for the IDS. Mean bias (±SD) in samples with 25(OH)D2 concentrations greater than 5 ng/mL was -3.19 ng/mL (±6.61) for Roche and 5.52 ng/mL (±6.36) for IDS. Median percentage recovery of 25(OH)D2 was 87.1% (interquartile range 76.0-111.3) for Roche and 120.6% (interquartile range 105.3-133.4) for IDS. Vitamin D status was misclassified in 7 samples by the