Fig. 3From: Non-invasive parameters of autonomic function using beat-to-beat cardiovascular variations and arterial stiffness in hypertensive individuals: a systematic reviewDuration of physiological signal recordings (blood pressure and RR interval) used in BRS, HRV and BPV analysis, with percentage of studies which analyzed the signal recordings. BPV blood pressure variability, BRS baroreflex sensitivity, HRV heart rate variabilityBack to article page