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Table 4 Postoperative ocular characteristics and outcomes at last follow up

From: Endoscopy-assisted vitrectomy vs. vitrectomy alone: comparative study in complex retinal detachment with proliferative vitreoretinopathy

  Unadjusted analysis Time-adjusted analysisa
PPV-only E-PPV p value PPV-only E-PPV p value
BCVA (logMAR)
 Mean (95% CI) 1.42 (1.17–1.68) 1.34 (1.09–1.60) 0.201 1.44 (1.21–1.68) 1.32 (1.02–1.61) 0.518
IOP (mmHg)
 Mean (95% CI) 14.5 (12.6–16.5) 13.6 (11.2–16.1) 0.543 14.5 (12.5–16.5) 13.7 (11.3–16.1) 0.613
Phthisis
 n (%) 4 (7) 1 (2.7)   N/A N/A  
 OR (95% CI) 2.7 (0.3–25.3) Ref. 0.362 3.0 (0.3–28.4) Ref. 0.342
Follow-up (months)
 Mean (95% CI) 31.9 (25.2–38.6) 21.1 (16.4–25.8) 0.021 N/A N/A N/A
Number of surgeries
 Mean (95% CI) 2.7 (2.4–3.1) 4.1 (3.5–4.8) < 0.001 2.6 (2.2–3.1) 4.3 (3.6–5.0) < 0.001
Silicone oil removed
 n (%)b 18 (42.9) 18 (54.4) 0.315 N/A N/A 0.099
 OR (95% CI) 0.6 (0.2–1.6) Ref.   0.4 (0.2–1.2) Ref.  
  1. PPV pars plana vitrectomy, BCVA best corrected visual acuity, E-PPV endoscopy-assisted PPV, IOP intraocular pressure, IOL intraocular lens, N/A not applicable, Ref reference category
  2. aAdjusted for duration of follow-up
  3. bProportions based on eyes with silicon oil as tamponade (nPPV-only = 42; nE-PPV = 33)