Table 1. Patient Characteristics

First Author (year)	C* & T† Sample	Mean Age§	Mean DI‡
Yin10) (2007)	C : 30T : 100	39y35y	NR∥
Pan11) (2010)	C : 60T : 60	28.6y30.8y	1.58d1.61d
Liu12) (2012)	C : 35T : 68	34.40y32.25y	NR
Jang13) (2012)	C : 45T : 45	NR	(1.6±0.55)d(1.70±0.50)d
Wang14) (2013)	C : 62T : 62	41y39y	NR
Zhong15) (2016)	C : 60T : 60	36.55y36.2y	1.65d1.62d
Guo16) (2017)	C : 30T : 33	37.6y37.2y	NR
Li17) (2017)	C : 30T : 30	NR	NR
Zhou18) (2019)	C : 40T : 40	(52.39±5.96)y(52.78±5.99)y	NR

C : Control,
T : Treatment,
DI : Duration of illness,
y : year,
NR : Not reported