Table 2.

Quality assessment of the different included studies according to the Newcastle-Ottawa Scale [14].

Study	Selectiona	Outcomeb	Score
Iqbal 2001 [22]	**	***	5/6
Wang 2004 [23]	**	***	5/6
Channa 2005 [28]	**	***	5/6
Rajasekar 2006 [29]	**	*	3/6
Yeh 2007 [31]	**	*	3/6
Tu 2011 [12]	**	***	5/6
Tan 2013 [19]	***	***	6/6
Krishnan 2013 [30]	**	*	3/6
Cioffi 2014 [32]	**	**	4/6
Ekwunife 2015 [24]	**	**	4/6
Groeschl 2016 [25]	**	*	3/6
Saha 2016 [10]	**	***	5/6
Dhamodharan 2018 [20]	***	***	6/6
Dhir 2019 [26]	**	*	3/6
Chitrambalam 2019 [21]	***	***	6/6
Minh 2019 [11]	**	**	4/6
Mogahed 2020 [27]	**	**	4/6

^a The maximum score possible was 3 stars.

^b Criteria used to assess outcome were evaluation of recurrent or residual liver abscess in the follow-up. The maximum score possible was 3 stars.