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

Table 1

Baseline characteristics.

	25-gauge PPV	27-gauge PPV	value
Number of patients	37	37
Age, mean ± SD (years)	63.1 ± 12.5	63.9 ± 13.5	0.8
Male sex, (%)	24 (64%)	26 (70%)	0.6
Right eye, (%)	18 (49%)	23 (62%)	0.2
Phakic, (%)	19 (51%)	20 (54%)	0.8
Macula on, (%)	17 (46%)	17 (46%)	1
Number of breaks, mean ± SD	2.2 ± 1.2	2.4 ± 1.5	0.6
Number of inferior breaks, mean ± SD	1.01 ± 1	1.12 ± 0.91	0.8
Number of detached quadrants, mean ± SD	2.3 ± 0.6	2.2 ± 0.5	0.4
PVR B, (%)	3 (8%)	3 (8%)	1
PVR C, (%)	1 (3%)	1 (3%)	1
BCVA, mean ± SD, logMAR	1.24 ± 1.04	1.21 ± 1.04	0.9

SD: standard deviation; BCVA: best-corrected visual acuity; logMAR: logarithm of the minimum angle of resolution; n: number; PVR: proliferative vitreoretinopathy.