Fig. 2From: Non-invasive parameters of autonomic function using beat-to-beat cardiovascular variations and arterial stiffness in hypertensive individuals: a systematic reviewPhysiological signal measurement and arterial stiffness assessment techniques used in the included studies. N = total number of included studies, n = number of studies. ba-PWV branchial–ankle pulse wave velocity, BP blood pressure, cf-PWV carotid-femoral pulse wave velocity, HR heart rate, IMT intima–media thickness, SV stroke volume, TAC total arterial compliance, TPR total peripheral resistanceBack to article page