The validity and reliability of arterial pressure measurement in a health center

摘要: OBJECTIVE To evaluate the validity of blood pressure measurement by studying presence preference bias in last digits and also which tends to situate measurements below established limit. interobserver (doctor-nurse) reliability measurements. DESIGN A cross-sectional [correction crossover] observation study with descriptive analytic components. SETTING nursing station Health Centre. PATIENTS The patients who attended appointment during months September October 1993. MEASUREMENTS AND MAIN RESULTS had their measured a doctor or nurse random fashion. We detected digits, was very significant for both systolic diastolic (p < 0.0001). tendency reduce figures preestablished limit 0.05). found lower than doctor, difference 0.001). index kappa concordance between on evaluating whether high not 0.4864, C.I. 95%, from 0.3530 0.6198. CONCLUSIONS existence two important biases questions validity. Additionally averages low poses serious question over should make us restate treatment suffering Hypertension.