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Table 4 Correlation between the different SDOCT imaging features and visual acuity (logMAR) using the Spearman’s correlation test

From: Baseline demographic, clinical and multimodal imaging features of young patients with type 2 macular telangiectasia

LogMAR visual acuity vs. OCT finding

r value

95% confidence interval

p value

Foveal irregularity

− 0.018

− 0.2733 to 0.2402

0.891

ILM drape sign

− 0.078

− 0.3286 to 0.1821

0.545

Hyperreflective middle retinal layers

− 0.142

− 0.3845 to 0.1196

0.272

Superficial retinal crystals

− 0.017

− 0.2726 to 0.2409

0.896

Hyporeflective inner retinal cavities

− 0.232

− 0.4610 to 0.0268

0.070

Outward bending of inner retinal layers

0.299

0.0459 to 0.5164

0.018

Hypo reflective outer retinal cavities

0.092

− 0.1684 to 0.3412

0.475

Retinal pigment clumps

0.352

0.1050 to 0.5586

0.005

Sub foveal neurosensory detachment

0.265

0.0091 to 0.4888

0.037

SRNVM

0.400

0.1590 to 0.5953

0.001

  1. OCT optical coherence tomography, ILM internal limiting membrane,  SRNVM sub retinal neovascular membrane, logMAR logarithm of minimum angle of resolution, r Spearman’s coefficient