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Table 2 Macular hole measurements at baseline

From: Inverted ILM flap, free ILM flap and conventional ILM peeling for large macular holes

Surgical technique Minimum Base (µm) Height (µm) MHI (µm)
Group A
 (Conventional 360° ILM peeling) 522.22 ± 82.73 952.5 ± 84.9 396.75 ± 50.52 0.42 ± 0.06
Group B
 (Inverted-flap technique) 608.89 ± 213 993.67 ± 484.21 463.44 ± 121.82 0.47 ± 1.01
Group C
 (Free-flap technique) 643.83 ± 162.74 1020.67 ± 212.46 463.17 ± 94.78 0.47 ± 0.12
Alpha 0.3 0.9 0.4 0.9
  1. Minimum minimum diameter, Base base diameter, Height macular hole height, MHI macular hole index, ILM internal limiting membrane