Table 1. Summary of age of patients undergone PAE.

Authors and References	Country	Cases	Range of age (years)	Mean age (years)
Pisco et al. (6)	Portugal	630	40–89	65.1
Wang et al. (23)	China	157	54–91	69.5
de Assis et al. (24)	Brazil	93	51–86	63.4
Bagla et al. (12)	USA	78	48–81	65.2
Grosso et al. (25)	Italy	13	51–90	75.9