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Table 2 Macular thickness in different myopic groups

From: Effects of myopia on different areas and layers of the macula: a fourier-domain optical coherence tomography study of a chinese cohort

Parameter

Low Myopia Mean ± SD

Moderate Myopia Mean ± SD

High Myopia Mean ± SD

Super High Myopia Mean ± SD

  

n

17

31

43

16

P-value

Post hoca

Macular Thickness (μm)

      

Full Layer

      

Fovea

239.42 ± 13.33

242.17 ± 18.77

243.98 ± 18.74

238.09 ± 22.63

0.665

-

Parafovea

316.52 ± 14.48

314.81 ± 11.66

307.81 ± 15.13

296.43 ± 19.60

<0.001

LM/MM > HM/SHM*

Perifovea

294.63 ± 11.60

284.10 ± 11.58

277.09 ± 14.13

266.26 ± 18.92

<0.001

LM/MM > HM/SHM*

Inner Layer

      

Fovea

69.54 ± 8.11

71.64 ± 11.85

74.56 ± 10.04

71.75 ± 8.84

0.309

-

Parafovea

129.71 ± 7.07

127.93 ± 7.55

124.56 ± 8.04

119.10 ± 7.55

<0.001

LM/MM > HM/SHM*

Perifovea

116.34 ± 3.75

110.86 ± 4.94

107.94 ± 6.44

103.49 ± 6.29

<0.001

LM/MM > HM/SHM*

Outer Layer

      

Fovea

170.12 ± 6.86

170.35 ± 8.46

169.46 ± 10.29

165.87 ± 16.82

0.560

-

Parafovea

186.82 ± 9.06

186.91 ± 7.90

183.28 ± 9.33

176.80 ± 15.82

0.009

LM/MM > HM/SHM*

Perifovea

178.53 ± 8.97

173.24 ± 7.80

169.17 ± 8.95

162.13 ± 15.63

<0.001

LM/MM > HM/SHM*

  1. aMultiple comparisons among the four refraction groups
  2. *P < 0.05
  3. LM low myopia; MM moderate myopia; HM high myopia; SHM super high myopia