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Table 5 ORs (95 % CIs) for CAC by quartiles of serum vitamin D levels in men (n = 19,999)

From: High levels of serum vitamin D are associated with a decreased risk of metabolic diseases in both men and women, but an increased risk for coronary artery calcification in Korean men

  Quartiles of serum vitamin D levels p for trend
Q1 (<13.0 mg/dL) Q2 (13.0–16.8 mg/dL) Q3 (16.8–21.5 mg/dL) Q4 (≥21.5 mg/dL)
n = 5006 n = 4994 n = 5000 n = 4999
CAC > 0
 Model 1 1.00 (reference) 1.18 (1.04–1.35) 1.39 (1.22–1.58) 1.36 (1.20–1.54) <0.001
 Model 2 1.00 (reference) 1.14 (0.98–1.32) 1.32 (1.15–1.53) 1.27 (1.10–1.47) <0.001
 Model 3 1.00 (reference) 1.14 (0.98–1.32) 1.33 (1.15–1.53) 1.28 (1.11–1.48) <0.001
 Model 4 1.00 (reference) 1.11 (0.95–1.29) 1.27 (1.10–1.47) 1.26 (1.08–1.46) 0.001
  1. Differences were tested using multivariate-adjusted logistic regression analysis
  2. Model 1: adjustment for age
  3. Model 2: adjustment for model 1 plus year of screening exam, center, smoking, alcohol, education, physical activity and season
  4. Model 3: adjustment for model 2 plus HTN, DM and CVD
  5. Model 4: adjustment for model 3 plus BMI, SBP, glucose and LDL-C
  6. ORs odds ratios, CIs confidence intervals, CAC coronary artery calcification