BMC Ophthalmology

Table 2 Time courses of the visual and refractive outcomes between the SMILE (− 6.25 to − 10 D) and EVO-ICL (− 6.25 to − 10 D) groups

From: Comparison of visual quality after EVO-ICL implantation and SMILE to select the appropriate surgical method for high myopia

	Preoperative	Postoperative period			P-value
	Preoperative	1 week	1 month	3 month	P-value
	LogMAR UDVA
SMILE (− 6.25 to − 10 D)	1.33 ± 0.23	−0.01 ± 0.06	− 0.04 ± 0.06	− 0.04 ± 0.07	P₀ = 0.000*
EVO-ICL (− 6.25 to − 10 D)	1.36 ± 0.27	0.00 ± 0.10	−0.04 ± 0.06	− 0.06 ± 0.05	P₀ = 0.000*
P-value	P₁ = 0.650	P₁ = 0.448	P₁ = 0.720	P₁ = 0.207
	LogMAR BCVA
SMILE (−6.25 to −10 D)	−0.04 ± 0.04	− 0.02 ± 0.06	−0.05 ± 0.05	− 0.05 ± 0.06	P₀ = 0.318
EVO-ICL (− 6.25 to − 10 D)	−0.04 ± 0.05	− 0.04 ± 0.06	−0.05 ± 0.05	− 0.06 ± 0.04	P₀ = 0.003*
P-value	P₁ = 0.763	P₁ = 0.324	P₁ = 0.698	P₁ = 0.345
	spherical equivalent(D)
SMILE (−6.25 to −10 D)	− 6.00 ± 1.68	0.04 ± 0.19	0.00 ± 0.21	−0.06 ± 0.31	P₀ = 0.000*
EVO-ICL (−6.25 to −10 D)	− 6.15 ± 1.72	0.03 ± 0.20	−0.01 ± 0.20	0.01 ± 0.20	P₀ = 0.000*
P-value	P₁ = 0.189	P₁ = 0.773	P₁ = 0.892	P₁ = 0.285

P₀ = P-value of the difference between the preoperative and three month values; P₁ = P-value of the difference between the SMILE (−6.25 to −10 D) and EVO-ICL implantation (− 6.25 to − 10 D) groups; *P < 0.05 = significant difference
LogMAR logarithm of the minimal angle of resolution, UDVA uncorrected distance visual acuity BCVA best-corrected distance visual acuity, D diopter

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