Research Article

Links between High-Sensitivity C-Reactive Protein and Pulse Wave Analysis in Middle-Aged Patients with Hypertension and High Normal Blood Pressure

Table 6

Sensitivity, specificity, and positive and negative predictive values.

Test variablesSensitivity (95% CI)Specificity (95% CI)Positive predictive value (PPV) (95% CI)Negative predictive value (NPV) (95% CI)

D20-pPWV0.363 (0.123-0.683)0.666 (0.509-0.795)0.21 (0.069-0.46)0.81 (0.642-0.914)
D20-EAA0.333 (0.143-0.588)0.657 (0.485-0.798)0.315 (0.135-0.565)0.675 (0.501-0.814)
LDL160-pPWV0.055 (0.002-0.293)0.605 (0.434-0.755)0.062 (0.003-0.322)0.575 (0.41-0.725)
LDL160-EAA0.166 (0.04-0.422)0.631 (0.459-0.777)0.176 (0.046-0.441)0.615 (0.446-0.761)
oxLDL-pPWV0.25 (0.044-0.644)0.843 (0.664-0.941)0.285 (0.051-0.697)0.818 (0.639-0.923)
oxLDL-EAA0.153 (0.027-0.463)0.814 (0.612-0.929)0.285 (0.051-0.697)0.666 (0.481-0.814)
CRP100-pPWV0.833 (0.508-0.97)0.272 (0.154-0.43)0.238 (0.125-0.398)0.857 (0.561-0.974)
CRP100-EAA0.944 (0.706-0.997)0.315 (0.18-0.487)0.395 (0.253-0.555)0.923 (0.62-0.995)
CRP300-pPWV0.75 (0.428-0.933)0.545 (0.389-0.693)0.31 (0.159-0.509)0.888 (0.697-0.97)
CRP300-EAA0777 (0.519-0.926)0.605 (0.434-0.755)0.482 (0.298-0.671)0.851 (0.653-0.951)

pPWV=pathological pulse wave velocity (increased for age); EAA=early arterial aging; oxLDL=oxidized LDL; LDL160=LDL > 160 mg/dl; CRP100=high-sensitivity C-reactive protein exceeding 0.100 mg/dl; CRP300=high-sensitivity C-reactive protein > 0.300 mg/dl; D20=vitamin D < 20 microg/l. The highest values for sensitivity, specificity, and NPV are in bold.