Does the ARV index provide a more reliable representation of blood pressure variability and better prognostic value than standard deviation in ambulatory blood pressure monitoring?
The ARV index is proposed as a superior metric to standard deviation for assessing blood pressure variability and its prognostic significance using ambulatory monitoring.
The proposed ARV index is a more reliable representation of time series variability than SD and may be less sensitive to the relative low sampling frequency of the ambulatory blood pressure monitoring devices. The results suggest that ARV adds prognostic value to the ABPM and could prompt the use of therapeutic measures to control BPV.
Mena et al. (Tue,) studied this question.