Baseline demographics and clinical parameters of eyes undergoing vitrectomy with or without ILM peeling for primary RRD
| Parameters | Group 1 (non-ILM peeling) | Group 2 (ILM peeling) | P value (statistical test) |
| Number of eyes | 30 | 30 | – |
| Age (years), mean±SD | 43.86±12.3 | 46.23±14.3 | 0.093 (Student’s t-test) |
| Sex | |||
| Male (n) | 26 | 23 | 0.51 (Fisher’s exact test) |
| Female (n) | 4 | 7 | |
| 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 | |||
| Phakic | 18 | 15 | 0.56 (Fisher’s exact-Freeman-Halton extension) |
| Pseudophakic | 10 | 14 | |
| Aphakic | 2 | 1 | |
| Extent of RRD, quadrant, median (range) | 2.5 (1–4) | 3 (1–4) | 0.64 (Mann-Whitney test) |
| 1 quadrant | 2 | 3 | |
| 2 quadrants | 13 | 10 | |
| 3 quadrants | 11 | 11 | |
| 4 quadrants | 4 | 6 | |
| Number of breaks, median (range) | 1 (1–4) | 1.5 (1–7) | 0.71 (Mann-Whitney test) |
| Distribution of breaks | 0.66 (X2 test) | ||
| Horseshoe tear | 40/55 | 47/61 | |
| Atrophic hole/dialysis | 15/55 | 14/61 |
CDVA, corrected distance visual acuity; ILM, internal limiting membrane; logMAR, logarithm of the minimum angle of resolution; RRD, rhegmatogenous retinal detachment.