Table 2.

Quality evaluation of the included studies using Newcastle Ottawa scale

Authors	Selection				Comparability		Outcome			Total
	Representativeness of the exposed cohort	Selection of the nonexposed cohort	Ascertainment of exposure	Demonstration that outcome of interest was not present at start of	Studies controlling the most important factors	Studies control- ling the other main factors	Assessment of outcome	Was follow-up long enough for outcomes to	Adequacy of cohorts
AUGUSTUS	*	*	*	*	*	*	*		*	8
ENTRUST-AF PCI	*	*	*	*	*	*	*	*	*	9
PIONEER AF-PCI	*	*	*	*	*	*	*	*	*	9
RE-DUAL PCI	*	*	*	*	*	*	*	*	*	9
WOEST	*	*	*	*	*	*	*	*	*	9