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. Author manuscript; available in PMC: 2013 Jul 31.
Published in final edited form as: Cochrane Database Syst Rev. 2009 Oct 7;(4):CD006126. doi: 10.1002/14651858.CD006126.pub2
Outcome or Subgroup Studies Participants Statistical Method Effect Estimate
2.1 Visual acuity ≥ 5/200 at last follow-up examination 1 264 Risk Ratio(M-H, Fixed, 95% CI) 0.97[0.73, 1.31]
 2.1.1 No prior vitrectomy 1 130 Risk Ratio(M-H, Fixed, 95% CI) 1.06[0.73, 1.56]
 2.1.2 Prior vitrectomy 1 134 Risk Ratio(M-H, Fixed, 95% CI) 0.88[0.55, 1.39]
2.2 Macular attachment at last follow-up examination 1 264 Risk Ratio(M-H, Fixed, 95% CI) 1.00[0.86, 1.15]
 2.2.1 No prior vitrectomy 1 130 Risk Ratio(M-H, Fixed, 95% CI) 0.98[0.80, 1.20]
 2.2.2 Prior vitrectomy 1 134 Risk Ratio(M-H, Fixed, 95% CI) 1.02[0.83, 1.25]