Table II.

Baseline data of included studies

Study ID	Nationality	Number of patients (men/women)	Average age [years]	Course of disease
An 2013	Chinese	4/11	Median 46	Median 6 months
Liu 2013	Chinese	1/4	19–61	2–24 months
Feng 2019	Chinese	7/25	Median 31	Median 6 months
Wei 2018	Chinese	5/13	Mean 36.3	Median 3.5 months
Xu 2020	Chinese	3/1	Mean 46	Mean 2 months
Tirosh 2016	Israeli	0/9	Mean 33.7	Unclear
Zhu 2019	Chinese	4/16	Median 37	Mean 5 months
Kyriacou 2017	British	3/19	Median 37.5	Median 3 months
Wang 2017	Chinese	17/33	Mean 37.2	Median 4 months
Iuliano 2011	American	3/4	Mean 44	Unclear
Honegger 2015	German	5/19	Mean 40.7	Unclear
Chiloiro 2017	Italian	4/17	Mean 40	Unclear
Khare 2015	Indian	3/21	Median 31.5	Median 10 weeks
Park 2014	Korean	5/17	Mean 48	Unclear
Atkins 2020	Canadian	1/10	Mean 38	Mean 12 weeks
Amereller 2020	German	16/44	Mean 45	Unclear
Hanife 2020	Turkish	5/15	Median 41.5	Median 18 months