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Table 4 Baseline information for participants in low myopic (SER: − 1.00 D to − 2.50 D) and moderate myopic (SER: − 2.50 D and over) groups

From: Comparison of two different orthokeratology lenses and defocus incorporated soft contact (DISC) lens in controlling myopia progression

Low myopic groups (n=63)

5.0 mm-BOZD OK (n = 12)

6.2 mm-BOZD OK (n = 14)

DISC  (n=17)

SCL (n=20)

P value

Age (years)

9 [8, 11]

9[8, 11]

10 [8, 11]

9 [8, 11]

0.43#

Sex (M/F)

5/7

7/7

8/9

9/11

0.98&

SER (D)

 − 1.77 ± 0.37

 − 1.80 ± 0.41

 − 1.65 ± 0.36

 − 1.91 ± 0.27

0.19*

AL (mm)

24.32 [23.40, 25.30]

24.14 [23.28, 24.79]

24.19 [23.03, 25.18]

24.3[23.14, 24.80]

0.62#

Moderate myopic groups (n = 59)

5.0 mm-BOZD OK (n = 12)

6.2 mm-BOZD OK (n = 12)

DISC (n = 18)

SCL (n = 17)

P value

Age (years)

10 [8, 11]

10 [8, 11]

10 [8, 11]

10 [8, 11]

0.94#

Sex (M/F)

7/5

5/7

10/8

9/8

0.85&

SER (D)

 − 3.25 [− 4.00, − 2.50]

 − 3.56 [− 4.00, − 2.50]

 − 3.00 [− 4.00, − 2.50]

 − 3.25 [− 4.00, − 2.50]

0.51#

AL (mm)

24.88 [24.49, 25.96]

25.00 [24.27, 26.17]

24.78 [23.83, 25.79]

24.60 [23.31, 25.92]

0.09#

  1. SER = spherical equivalent refraction; BOZD = back optic zone diameter; OK = orthokeratology; DISC = defocus incorporated soft contact; SCL= soft contact lens; AL = axial length. Data are expressed as the mean ± SD or median [range]
  2. #Kruskal–Wallis H test
  3. &Chi-square test
  4. *One-way ANOVA