Table 3 Peripapillary choroidal thickness in different segments and subfoveal choroidal thickness of the NA-AION patients with or without optic disc edema (mean ± SD) μm

Normal control group (n = 60)

187.72 ± 49.12

178.90 ± 47.89

163.42 ± 42.27

148.60 ± 43.75

148.28 ± 45.05

180.03 ± 55.50

169.30 ± 43.04

296.40 ± 68.36

NA-AION eyes with optic edema (n = 19)

202.63 ± 78.38

208.05 ± 70.70

204.42 ± 67.75

200.31 ± 100.95

188.26 ± 76.57

214.00 ± 87.87

203.26 ± 72.29

313.56 ± 82.49

P value

0.44

0.11

0.02

0.04

0.04

0.13

0.07

0.42

NA-AION eyes without optic disc edema (n = 25)

194.44 ± 86.27

192.52 ± 80.20

184.80 ± 73.22

163.64 ± 69.91

163.44 ± 67.06

189.16 ± 87.22

182.64 ± 74.76

300.13 ± 121.79

P value

0.72

0.43

0.18

0.33

0.31

0.63

0.41

0.90