Table 6. Sensitivity analysis of superior pRNFL thickness.

Study excluded	Fixed-effects model		Random-effects model		HeterogeneityI2
	WMD (95%CI)	P	WMD (95%CI)	P
Hondur 2021[18]	-6.50 (-10.70, -2.30)	0.002	-6.05 (-13.08, 0.97)	0.09	60%
Fard 2020[19]	-9.16 (-13.11, -5.22)	<0.00001	-9.09 (-13.29, -4.89)	<0.0001	8%
Resch 2018[22]	-6.84 (-10.60, -3.08)	0.0004	-6.28 (-12.58, 0.03)	0.05	60%
Resch 2018[22]	-7.05 (-10.89, -3.22)	0.0003	-6.56 (-13.06, -0.07)	0.05	60%
Fard 2018[24]	-4.15 (-8.21, -0.10)	0.004	-4.09 (-8.44, 0.25)	0.06	9%
Liu 2017[25]	-6.76 (-10.49, -3.02)	0.0004	-6.11 (-12.28, 0.07)	0.05	60%
Lee 2017[26]	-7.16 (-11.22, -3.09)	0.0006	-6.50 (-13.39, 0.39)	0.06	60%
Fard 2016[29]	-6.98 (-10.81, -3.15)	0.0004	-6.46 (-12.96, 0.03)	0.05	60%
Fard 2016[28]	-7.13 (-10.96, -3.30)	0.0003	-6.69 (-13.14, -0.23)	0.04	60%

pRNFL: Peripapillary retinal nerve fiber layer.