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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
1 week 1 month 3 month
  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  
  1. 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
  2. LogMAR logarithm of the minimal angle of resolution, UDVA uncorrected distance visual acuity BCVA best-corrected distance visual acuity, D diopter