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Table 2 Basic serum lipoprotein measurements, their distributions and mean percentage differences in the validation group (n = 1043)

From: Evaluation of different formulas for LDL-C calculation

  TC, mmol/L TG, mmol/L HDL-C, mmol/L D-LDL-C, mmol/L S-LDL-C, mmol/L ΔS-LDL-C, % F-LDL-C, mmol/L ΔF-LDL-C, % A-LDL-C, mmol/L ΔA-LDL-C, %
Mean 6.13 1.71 1.34 4.29 4.23 -0.9 4.02* -6.1 4.09* -3.8
SD 1.31 0.87 0.36 1.2 1.16 9.3 1.15 9.9 1.14 14.1
1st quartile 5.2 1.08 1.07 3.43 3.43 -6.3 3.22 -11.5 3.28 -12.7
Median 6.06 1.52 1.3 4.2 4.13 -2.3 3.95 -6.3 4.11 -5.3
3rd quartile 7.02 2.16 1.55 5.1 4.98 2.7 4.78 -1.3 4.82 3.9
  1. * p < 0.001
  2. TC: total cholesterol, TG: triglycerides, HDL-C: high-density lipoprotein cholesterol, LDL-C: low-density lipoprotein cholesterol, D-LDL-C: directly measured LDL-C, S-LDL-C: LDL-C calculated by new modified formula, ΔS-LDL-C: mean percentage difference for new modified formula, F-LDL-C: LDL-C calculated by Friedewald's formula, ΔF-LDL-C: mean percentage difference for Friedewald's formula, A-LDL-C: LDL-C calculated by Anandaraja's formula, ΔA-LDL-C: mean percentage difference for Anandaraja's formula.