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Table 2 Comparison between fibrosis PCO and pear type PCO: Pre-YAG and post-YAG

From: Posterior capsular opacification comparison between morphology and objective visual function

  Fibrosis-PCO Pear type-PCO Z P
LogMAR VA
 Pre-YAG 0.29 ± 0.08 (0.22–0.52) 0.59 ± 0.28 (0.15–1.00) − 3.36 ≤0.01
 Post-YAG 0.11 ± 0.11 (0.00–0.30) 0.20 ± 0.19 (0.00–0.70) − 1.42 0.16
 Difference 0.18 ± 0.14 (0.00–0.48) 0.39 ± 0.24 (0.00–1.00)
 Z −2.81 −4.38
 P ≤0.01 ≤0.01
OSI
 Pre-YAG 5.72 ± 2.08 (2.30–9.30) 11.93 ± 4.13 (4.0–19.10) −4.06 ≤0.01
 Post-YAG 3.76 ± 2.36 (1.00–8.60) 4.87 ± 3.37 (1.00–12.80) −0.71 0.48
 Difference 2.05 ± 2.60 (−1.00–5.80) 7.25 ± 4.44 (−3.20–15.40)
 Z −1.82 −4.36
 P 0.07 ≤0.01
  1. VA visual acuity, OSI objective scatter index