Outcomes of Vitrectomy Combined with Scleral Buckling for Eyes with Early Recurrence of Simple Rhegmatogenous Retinal Detachment Previously Treated by Pars Plana Vitrectomy
Table 1
Relationship between factors before initial surgery and the final visual acuity.
BCVA (logMAR)
value
N (eyes)
Average ± SD
95% CI
Sex
0.414
Men
13 (62%)
0.59 ± 0.58
0.23, 0.94
Women
8 (38%)
0.33 ± 0.29
0.09, 0.58
Laterality
0.651
Right
12 (57%)
0.56 ± 0.59
0.18, 0.93
Left
9 (43%)
0.40 ± 0.36
0.12, 0.68
Lens status
0.197
Phakia
14 (67%)
0.36 ± 0.35
0.16, 0.56
Pseudophakia
7 (33%)
0.75 ± 0.68
0.12, 1.38
Macular detachment
0.018
Present
17 (81%)
0.59 ± 0.50
0.33, 0.85
Absent
4 (19%)
0.07 ± 0.23
−0.29, 0.43
Quadrants of detachment
0.193
1
3 (14%)
0.15 ± 0.22
−0.39, 0.69
2
10 (48%)
0.39 ± 0.40
0.10, 0.67
3
2 (10%)
0.46 ± 0.34
−2.57, 3.49
4
6 (29%)
0.84 ± 0.67
0.15, 1.53
Choroidal detachment
0.010
Present
2 (10%)
1.61 ± 0.55
−3.33, 6.55
Absent
19 (90%)
0.37 ± 0.33
0.21, 0.53
Vitreous hemorrhage
0.887
Present
3 (14%)
0.47 ± 0.59
−0.99, 1.94
Absent
18 (86%)
0.49 ± 0.50
0.24, 0.74
Number of retinal breaks
0.223
1
8 (38%)
0.60 ± 0.38
0.28, 0.92
2
0 (0%)
NA
NA
3
8 (38%)
0.24 ± 0.36
−0.06, 0.54
4
3 (14%)
0.46 ± 0.28
−0.23, 1.15
5-
2 (10%)
1.11 ± 1.26
−10.18, 12.41
Location of the largest break
0.699
Superotemporal
17 (81%)
0.50 ± 0.51
0.24, 0.76
Inferotemporal
2 (10%)
0.66 ± 0.80
−6.49, 7.81
Superonasal
1 (5%)
0.05
NA
Inferonasal
1 (5%)
0.4
NA
Proliferative viteroretinopathy
0.842
Grade A
16 (76%)
0.49 ± 0.53
0.20, 0.77
Grade B
5 (24%)
0.49 ± 0.44
−0.05, 1.03
Concurrent cataract surgery
0.197
Present
14 (67%)
0.36 ± 0.35
0.16, 0.56
Absent
7 (33%)
0.75 ± 0.68
0.12, 1.38
Intraocular tamponade
0.221
Room air
3 (14%)
0.21 ± 0.43
−0.86, 1.27
SF6
18 (86%)
0.54 ± 0.51
0.28, 0.79
Removal of ILM
1.000
Absent
21 (100%)
0.49 ± 0.50
0.26, 0.72
Use of triamcinolone
0.762
Present
20 (95%)
0.50 ± 0.51
0.26, 0.74
Absent
1 (5%)
0.22
NA
Use of perfluorocarbon liquid
0.267
Present
6 (29%)
0.63 ± 0.47
0.14, 1.12
Absent
15 (71%)
0.43 ± 0.52
0.15, 0.72
Iatrogenic retinal breaks
0.467
Present
2 (10%)
0.22 ± 0.25
−2.01, 2.45
Absent
19 (90%)
0.52 ± 0.52
0.27, 0.77
BCVA: best-corrected visual acuity. logMAR: logarithm of minimal angle of resolution. SD: standard deviation. CI: confidence interval. NA: not applicable. SF6: sulfur hexafluoride. ILM: internal limiting membrane. Mann–Whitney test. Kruskal–Wallis test.
