Exclusive Use of Air as Gas Tamponade in Rhegmatogenous Retinal Detachment

Table 2

Baseline characteristics of each group.

	Control group	Air group	value
Type of gas (n); Air : SF6 : C3F8	15 : 55 : 2	71 : 0 : 0	<0.001^†
Age (mean ± SD, yr)	56.9 ± 9.8	58.6 ± 8.8	0.351
Sex (M : F)	40 : 32	34 : 37	0.401^†
BCVA (mean ± SD, logMAR)	1.38 ± 1.11	1.11 ± 1.05	0.143
IOP (mean ± SD, mmHg)	13.6 ± 2.7	13.0 ± 3.1	0.237
Axial length (mean ± SD, mm)	25.14 ± 2.11	24.83 ± 1.65	0.336
Proportion of high myopia (n, %)	23 (31.9%)	16 (22.5%)	0.282^†
Macula; On : off	32 : 40	36 : 35	0.614^†
Number of retinal breaks; (mean ± SD)	1.8 ± 1.3	1.6 ± 1.0	0.315
Range of retinal detachment; (mean ± SD, hours)	4.4 ± 1.7	4.6 ± 1.9	0.357
Lens state; Phakic : pseudophakic	58 : 14	52 : 19	0.422^†
Inferior break (n, %)	28 (38.9%)	18 (25.4%)	0.111^†
Use of PFCL (n, %)	20 (27.8%)	21 (29.6%)	0.336^†

Independent student’s t-test. ^†Chi-square test. BCVA: best-corrected visual acuity; IOP: intraocular pressure; SD: standard deviation; logMar: logarithm of the minimum angle of resolution; PFCL: perfluorocarbon liquid.