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Table 3 Degree of concordance among apoB, LDL-C, and non-HDL-C levels at baseline and study endpoint in the pooled treatment groups for the overall population and treatment subgroups defined by baseline TG < and ≥2.26 mmol/L

From: Effects of extended-release niacin/laropiprant on correlations between apolipoprotein B, LDL-cholesterol and non-HDL-cholesterol in patients with type 2 diabetes

 

N

Concordance between apoB and LDL-C

N

Concordance between apoB and Non-HDL-C

Weighted kappaa (95 % CI)

 

Weighted kappaa (95 % CI)

Baseline (i.e., drug-naïve patients)

Overall Population

All Treatments

716

0.49 (0.44, 0.53)

716

0.66 (0.62, 0.69)

 TG <2.26 mmol/L

599

0.52 (0.47, 0.56)

599

0.63 (0.60, 0.67)

 TG ≥2.26 mmol/L

117

0.56 (0.46, 0.65)

117

0.64 (0.56, 0.72)

ERN/LRPT

393

0.50 (0.45, 0.56)

393

0.67 (0.63, 0.72)

 TG <2.26 mmol/L

320

0.54 (0.49, 0.60)

320

0.65 (0.60, 0.70)

 TG ≥2.26 mmol/L

73

0.56 (0.44, 0.68)

73

0.65 (0.56, 0.75)

Placebo

323

0.46 (0.40, 0.53)

323

0.65 (0.60, 0.70)

 TG <2.26 mmol/L

279

0.50 (0.43, 0.57)

279

0.64 (0.58, 0.69)

 TG ≥2.26 mmol/L

44

0.55 (0.39, 0.71)

44

0.71 (0.56, 0.85)

Endpoint (i.e., following randomized treatment)

Overall Population

All Treatments

716

0.61 (0.57, 0.64)

716

0.73 (0.70, 0.76)

 TG <2.26 mmol/L

599

0.64 (0.60, 0.68)

599

0.73 (0.70, 0.76)

 TG ≥2.26 mmol/L

117

0.57 (0.47, 0.67)

117

0.70 (0.63, 0.78)

ERN/LRPT

393

0.64 (0.60, 0.69)

393

0.73 (0.69, 0.77)

 TG <2.26 mmol/L

320

0.66 (0.61, 0.71)

320

0.72 (0.67, 0.76)

 TG ≥2.26 mmol/L

73

0.64 (0.54, 0.75)

73

0.71 (0.60, 0.82)

Placebo

323

0.53 (0.46, 0.59)

323

0.65 (0.60, 0.71)

 TG <2.26 mmol/L

279

0.55 (0.49, 0.62)

279

0.66 (0.61, 0.72)

 TG ≥2.26 mmol/L

44

0.53 (0.38, 0.69)

44

0.68 (0.56, 0.81)

  1. ERN/LRPT niacin/laropiprant; apoB apolipoprotein B DL-C low-density lipoprotein cholesterol; HDL-C high-density lipoprotein cholesterol; TG triglyceride
  2. aThe k statistic, on a scale from 0 to 1, reflects the degree of agreement between two variables. The levels of agreement range from slight (0–0.20), fair (0.21–0.40), moderate (0.41–0.60), substantial (0.61–0.80), and almost perfect (0.81–1.00)