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Table 1 Baseline demographic and ophthalmic examination data before refractive surgery (mean ± SD)

From: Corneal subbasal nerve plexus reinnervation and stromal cell morphology with different cap thicknesses in small incision lenticule extraction

Parameter

Groups

P value

110 μm

120 μm

130 μm

Age (years)

23.89 ± 3.93

27.15 ± 3.25

25.22 ± 5.25

0.064

CDVA (logMAR)

− 0.07 ± 0.03

− 0.07 ± 0.02

− 0.07 ± 0.02

0.865

Preoperative sphere (D)

− 4.69 ± 0.99

− 5.27 ± 0.92

− 4.46 ± 0.62

0.000*a

Preoperative cylinder (D)

− 0.36 ± 0.40

− 0.68 ± 0.61

− 0.52 ± 0.59

0.065

MRSE (D)

− 4.88 ± 0.90

− 5.62 ± 0.87

− 4.72 ± 0.64

0.004*a

CCT (μm)

538.69 ± 17.32

552.98 ± 16.63

559.79 ± 13.70

0.000*b

LT (μm)

109.33 ± 13.07

122.25 ± 13.72

108.25 ± 11.73

0.007*a

RST (μm)

319.36 ± 12.82

310.91 ± 18.70

322.21 ± 18.01

0.012*a

  1. D = diopters; CDVA = corrected distance visual acuity; MRSE = manifest refraction spherical equivalent; CCT = central corneal thickness; LT = lenticule thickness; RST = residual stromal bed thickness
  2. *Indicate statistical significance (P < 0.05)
  3. aThe data in 120 μm group is significantly different from the other two groups, whereas there was no difference between 110 μm group and 130 μm group
  4. bThe data in 110 μm group is significantly different from the other two groups, whereas there was no difference between 120 μm group and 130 μm group
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Eye and Vision

ISSN: 2326-0254