A Propensity-Score Matching Comparison between 27-Gauge and 25-Gauge Vitrectomy Systems for the Repair of Primary Rhegmatogenous Retinal Detachment

Table 2

Outcomes.

	25-gauge PPV	27-gauge PPV	value
N	37	37
Surgical time, mean ± SD (minutes)	90.7 ± 29.6	86.1 ± 30.1	0.5
Anatomical success at month 6, (%)	37 (100%)	37 (100%)	1
Anatomical success at month 6 after a single operation, (%)	34 (92%)	33 (89%)	0.7
BCVA change at month 6, mean ± SD, logMAR	−0.71 ± 0.96	−0.67 ± 1.01	0.9
C3F8 gas tamponade, (%)	30 (81%)	28 (76%)	0.6
Silicone oil tamponade, (%)	7 (19%)	9 (24%)	0.6
Sutured sclerotomies, (%)	11 (29%)	3 (8%)	0.017
Hypotony (IOP < 10 mmHg), (%)	2 (5%)	0 (0%)	0.5
Severe IOP increase (>30 mmHg), (%)	5 (14%)	4 (11%)	0.7

SD: standard deviation; BCVA: best-corrected visual acuity; C3F8: perfluoropropane; IOP: intraocular pressure; logMAR: logarithm of the minimum angle of resolution; n: number; PPV: pars plana vitrectomy.