Clinical Study

Retrospective Comparison of 27-Gauge and 25-Gauge Microincision Vitrectomy Surgery with Silicone Oil for the Treatment of Primary Rhegmatogenous Retinal Detachment

Table 1

Characteristics of patients.

25G27G value

Number of eyes ()5834
Gender0.239
 Male (, %)26 (44.8%)11 (32.4%)
 Female (, %)32 (55.2%)23 (67.6%)
Age (years)58.5 ± 13.354.1 ± 12.50.122#
Lens status0.105
 Phakic48 (82.8%)31 (91.2%)
 Pseudophakic10 (17.2%)2 (5.9%)
 Aphakic0 (0.0%)1 (2.9%)
Preoperative BCVA, logMAR1.9 ± 1.11.7 ± 1.00.322
Preoperative IOP (mmHg)9.8 ± 3.611.6 ± 2.90.108
Preoperative choroidal detachment11 (19.0%)3 (8.8%)0.240
PVR (, %)4 (6.9%)1 (2.9%)0.648
Macular-off (, %)49 (84.5%)30 (88.2%)0.761

BCVA: best correct visual acuity; IOP: intraocular pressure; PVR: proliferative vitreoretinopathy. #Independent T test; Pearson’s chi-squared test; Wilcoxon signed-rank test; Fisher’s exact test.