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Table 3 Correlation of preoperative MLD (measured in µm) with visual acuity gain in logMAR (ΔlogMAR) for each surgical technique

From: Surgical classification for large macular hole: based on different surgical techniques results: the CLOSE study group

Technique Δ MLD (µm)

hAM

Macular Hydro

ILM Flap

ART

ILM Peel

 > 400 to 534

− 0.4902

− 0.2712

− 0.3602

0.2202

− 0.5293

535 to 799

− 0.5177

− 0.4748

− 0.3778

− 0.3561

− 0.4248

800 to 999

− 0.5342

− 0.3441

− 0.2338

− 0.4633

− 0.3858

 ≥ 1000

− 0.3497

− 0.5664

− 0.2694

− 0.4178

− 0.0309

P Value

P = 0.827

P = 0.246

P = 0.159

P = 0.004

P < 0.001

  1. MLD minimal linear diameter, hAM human amniotic membrane graft, ILM internal limiting membrane, ART autologous retinal transplantation, logMAR logarithm of the minimum angle of resolution, macular hydro macular hydrodissection