Mesenchymal stem cells transplantation for perianal fistulas: a systematic review and meta-analysis of clinical trials

Table 1 The relationships among the eligible 10 publications

Clinical trial no.	First author	Publication date	Location	Follow-up phase (after-treatment)
1	Garcia-Olmo, D. [18]	2009	Spain	8 weeks
	Hector, G. [25]	2012	Spain	(1) 1 year
	Hector, G. [25]	2012	Spain	(2) 40 months
2	Herreros, M. D. [26]	2012	Spain	(1) 12 weeks
				(2) 24/26 weeks
				(3) 1 year
3	Molendijk, I. [27]	2015	Netherlands	(1) 12 weeks
	Molendijk, I. [27]	2015	Netherlands	(2) 24 weeks
	Barnhoorn, M. C. [28]	2020	Netherlands	4 years
	Panés, J. [29]	2016	Seven European countries and Israel	24 weeks
4	Panés, J. [30]	2018	Seven European countries and Israel	52 weeks
4	Garcia-Olmo, D. [31]	2022	Seven European countries and Israel	104 weeks
5	Garcia-Arranz, M. [32]	2020	Spain	(1) 16 weeks
				(2) 52 weeks
				(3) 2 years
6	Zhou, C. [33]	2020	China	(1) 3 months
				(2) 6 months
				(3) 12 months

^aTo avoid bias, the follow-up phase was not adjusted by the same unit like week or month and just presented as 10 publications recording

ISSN: 1757-6512