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Table 3 Comparison of baseline data and post-operative outcomes (mean values) (statistically significant results highlighted in italics)

From: 25 vs. 27-gauge micro-incision vitrectomy surgery for visually significant macular membranes and full-thickness macular holes: a retrospective study

  Overall (n = 207) ERM FTMH
25G (n = 102) 27G (n = 48) 25G (n = 47) 27G (n = 10)
Pre-Op logMAR BCVA All 0.57 0.51 0.33 0.87 0.89
 Phakic   0.38 0.31 0.93 0.88
 Pseudophakic   0.59 0.34 0.81 0.90
Post-Op logMAR BCVA All 0.37 0.30 0.28 0.51 0.96
 Phakic   0.30 0.34 0.69 1.00
 Pseudophakic   0.30 0.24 0.33 0.91
Pre-Op IOP (mmHg) 14.32 14.12 15.45 13.83 13.9
Post-Op IOP 14.59 14.62 16.42 13.38 16
Pre-Op CFT (µm) 424.38 464.15
Post-Op CFT (µm) 358.58 394.37
Pre-Op macular volume (mm3) 10.0 10.3
Post-Op macular volume (mm3) 8.86 9.08
Surgical time-all data (mins) 27 26 22.1 32.5 36.7
Surgical time-modified (mins) 27 26 22.1 32.5 29.2
  1. BCVA best corrected visual acuity, CFT central foveal thickness, ERM epiretinal membrane, FTMH full thickness macular hole, IOP intraocular pressure, 25G 25-gauge, 27G 27-gauge, Surgical Time-Modified removed outlier of FTMH 27G data