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Table 1 Mean choroidal thickness in healthy Egyptians evaluated by the Early Treatment Diabetic Retinopathy Study grid

From: Macular choroidal thickness in normal Egyptians measured by swept source optical coherence tomography

Areas

Choroidal thickness (μm)

Mean ± SD

Minimum

Maximum

Central subfoveal ring

300.87 ± 72.256

157

470

Central subfoveal line

319.72 ± 76.45

152

530

Inferior inner macula

297.67 ± 77.08

129

480

Superior inner macula

306.76 ± 75.05

167

487

Nasal inner macula

282.74 ± 71.33

109

455

Temporal inner macula

293.47 ± 73.86

109

472

Inferior outer macula

279.19 ± 77.60

117

481

Superior outer macula

298.13 ± 73.89

172

467

Nasal outer macula

239.39 ± 73.83

79

430

Temporal outer macula

288.44 ± 73.07

117

475

  1. SD standard deviation