Table 2.
Baseline characteristics of each group.
| Control group | Air group | p 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.