Table 1. Patient Age Distribution and Duration of Illness

First Author (year)	C* & T† Sample	Mean Age	Mean DI‡
Shi11) (2018)	C : 36T : 36	NR	NR§
Wu12) (2021)	C : 18T : 20	(46.56±14.72)y∥(47.20±14.77)y	NR
Sun13) (2021)	C : 35T : 33	(48.23±10.70)y(51.64±6.97)y	(10.21±3.68)d(9.83±3.57)d
Sun14) (2021)	C : 25T : 25	(46.00±7.87)y(52.56±8.12)y	NR
Zhou15) (2022)	C : 56T : 56	(39.87±6.23)y(40.72±5.45)y	NR
Wang16) (2022)	C : 45T : 46	(45.32±7.56)y(46.43±6.42)y	NR
Li17) (2024)	C : 30T : 30	(54.68±6.14)y(56.71±6.10)y	NR

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