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Table 2 Precision and discrimination of three apoB 100 estimates, expressed as underlying between-subject Standard Deviation (SD u ), global within subject Standard Deviation (SD w ), and Discriminant Ratio (DR)

From: Discriminant ratio and biometrical equivalence of measured vs. calculated apolipoprotein B100 in patients with T2DM

  SDu SDw DR Cls
measured apoB100 (mg/dL) 17.8 19.9 0.90 0.63-1.19
equation 1:apoB100(mg/dL) = [0. 65 × non − HDL − C (mg/dL)] + 6. 3 (mg/dL) 15.8 19.7 0.80 0.53-1.10
equation 2:apoB100 (mg/dL) = − 33. 12 (mg/dL) + [0. 675 × LDL − C (mg/dL) + [11. 95 × ln[TG] (mg/dL)] 14.5 19.4 0.75 0.47-1.04
  1. Values from results of individual tests and means of their duplicates in 87 patients with type 2 diabetes. Confidence intervals [Cls] for DR’s [2.5-97.5%] in square brackets. apo, apolipoprotein; HDL-C, high-density lipoprotein cholesterol; LDL, low-density lipoprotein; TG, triglycerides. All differences between DR’s were non significant (p > 0.05).