Table 2.

Multiple logistic regression analysis for independent predictors of significant vascular calcification according to Kauppila score >6, Adragao score ≥3, and Adragao score (hands only) ≥1

CovariatesOdds Ratio (95% CI)P Value
Multiple logistic regression analysis for Kauppila score >6
 Age (yr)1.08 (1.05 to 1.10)<0.001
 Diabetes mellitus1.68 (1.07 to 2.62)0.02
 Phosphorous (mg/dl)1.84 (1.39 to 2.44)<0.001
 Peripheral vascular disease2.00 (1.20 to 3.35)0.01
 Smoking (active)1.67 (1.04 to 2.69)0.03
 Statins treatment1.91 (1.17 to 3.11)0.01
Multiple logistic regression analysis for Adragao score ≥3
 Age (yr)1.05 (1.02 to 1.07)<0.001
 Diabetes mellitus2.11 (1.32 to 3.35)0.002
 Phosphorous (mg/dl)1.68 (1.28 to 2.20)<0.001
 Peripheral vascular disease1.71 (1.00 to 2.92)0.05
 Sex (women)0.34 (0.21 to 0.56)<0.001
Multiple logistic regression analysis for Adragao score (hands only) ≥1
 Age (yr)1.03 (1.01 to 1.05)0.003
 Diabetes mellitus2.70 (1.71 to 4.27)<0.001
 Phosphorous (mg/dl)1.68 (1.28 to 2.20)<0.001
 Pathologic ankle-brachial index1.76 (1.12 to 2.79)0.02
 Anticoagulant treatment2.02 (1.13 to 3.60)0.02
  • The same covariates were included in all of the regression analyses: age, sex, diabetes mellitus, comorbidity, etiology, smoking, diastolic BP, eGFR, serum calcium, phosphorous, parathyroid hormone, 1,25(OH)2 vitamin D, 25-hydroxivitamin D, hemoglobin, LDL-cholesterol, albumin, high-sensitivity C-reactive protein (log), glucose levels, and treatment with diuretics, vitamin D, statins, phosphate binders, and anticoagulants. CI, confidence interval.