Table 2. Sensitivity analysis of the change in SER.

Eliminate research	I 2	WMD	95%CI	P
Bao et al, 2020 (HAL)	100	0.15	-0.08, 0.39	0.20
Bao et al, 2020 (SAL)	100	0.19	-0.07, 0.45	0.16
Kanda et al, 2018	100	0.27	0.15, 0.39	<0.001
Lam et al, 2020	100	0.15	-0.08, 0.38	0.19
Sankaridurg et al, 2010 (Type I)	100	0.25	0.04, 0.46	0.02
Sankaridurg et al, 2010 (Type II)	100	0.25	0.04, 0.46	0.02
Sankaridurg et al, 2010 (Type III)	100	0.23	0.01, 0.44	0.04
All studies	100	0.21	0.01, 0.41	0.04

SER: Spherical equivalent refraction; HAL: Highly aspherical lenslets; SAL: Slightly aspherical lenslets; WMD: Weighted mean difference; CI: Confidence interval.