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Table 3 ROC and reclassification analysis for ePWV to improve the identification of LVH prevalence

From: Value of estimated pulse wave velocity to identify left ventricular hypertrophy prevalence: insights from a general population

Model

AUC (95% CI)

p Value

p for comparison

NRI (category free)

p Value

IDI

p Value

ePWV

0.758 (0.750, 0.765)

 < 0.001

 < 0.001

–

–

–

–

MBP

0.725 (0.716,0.733)

 < 0.001

–

–

–

–

Clinical risk factors*

0.787 (0.780, 0.795)

 < 0.001

 < 0.001

–

–

–

–

Clinical risk factors + ePWV

0.810 (0.802, 0.817)

 < 0.001

0.421 (0.370, 0.471)

 < 0.001

0.023 (0.019, 0.027)

 < 0.001

  1. Clinical risk factors: age, sex, education level, income level, physical activity, current smoking, current drinking, BMI, WC, Scr, TC, HDL-c, FPG, MBP, anti-hypertensive therapy, anti-diabetic therapy, lipid-lowering therapy, and CVD history
  2. ROC receiver operating characteristic curve, LVH left ventricular hypertrophy, AUC area under the curve, CI confidence interval, NRI net reclassification improvement, IDI integrated discrimination index, BMI body mass index, WC waist circumference, FPG fasting plasma glucose, Scr serum creatinine, TC total cholesterol, HDL-C high-density lipoprotein cholesterol, MBP mean blood pressure, CVD cardiovascular disease