Table 1

Baseline demographics and clinical parameters of eyes undergoing vitrectomy with or without ILM peeling for primary RRD

ParametersGroup 1
(non-ILM peeling)
Group 2
(ILM peeling)
P value (statistical test)
Number of eyes3030
Age (years), mean±SD43.86±12.346.23±14.30.093 (Student’s t-test)
 Male (n)26230.51 (Fisher’s exact test)
 Female (n)47
Duration of RRD (days), mean±SD (median, range)26.8±25.8 (20, 3–90)37.4±30.2 (30, 3–90)0.21 (Mann-Whitney test)
Baseline CDVA (logMAR), mean±SD (median, range)1.53±0.75 (1.8, 0.18–2.3)1.87±0.48 (2, 0.78–2.3)0.071 (Mann-Whitney test)
Lens status
 Phakic18150.56 (Fisher’s exact-Freeman-Halton extension)
Extent of RRD, quadrant, median (range)2.5 (1–4)3 (1–4)0.64 (Mann-Whitney test)
 1 quadrant23
 2 quadrants1310
 3 quadrants1111
 4 quadrants46
Number of breaks, median (range)1 (1–4)1.5 (1–7)0.71 (Mann-Whitney test)
Distribution of breaks0.66 (X2 test)
 Horseshoe tear40/5547/61
 Atrophic hole/dialysis15/5514/61
  • CDVA, corrected distance visual acuity; ILM, internal limiting membrane; logMAR, logarithm of the minimum angle of resolution; RRD, rhegmatogenous retinal detachment.