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. Author manuscript; available in PMC: 2015 Dec 1.
Published in final edited form as: Ophthalmology. 2014 Jul 23;121(12):2423–2431. doi: 10.1016/j.ophtha.2014.06.013

Table 7.

Comparison of Week 104 outcomes between patients with and without outer retinal tubulation (ORT) at Week 104 (N=368)

Week 104 Outcomes With ORT (N=64) Without ORT (N=304) P Value*
VA categories <0.0001
 20/200 or worse 13 (20.3%) 15 (4.9%)
 20/50 – 20/160 22 (34.4%) 90 (29.6%)
 20/12 – 20/40 29 (45.3%) 199 (65.5%)
Mean VA in letters (SE) 58.5 (3.11) 68.8 (0.97) <0.0001
Mean VA change from baseline in letters (SE) 3.69 (2.81) 6.15 (0.94) 0.31
≥ 15 letters increase from baseline (%) 20 (31.3%) 87 (28.6%) 0.65
Mean number of injections in Year 1 in PRN Groups (SE) 12.8 (1.03) 13.7 (0.51) 0.43
Retinal thickness in microns, n (%) 0.03
 <120 microns 23 (35.9%) 77 (25.4%)
 120–212 microns 30 (46.1%) 194 (64.0%)
 >212 microns 11 (17.2%) 32 (10.6%)
Mean change of total foveal thickness from baseline in microns (SE) −168 (25.2) −162 (11.0) 0.83
Intraretinal fluid, n (%) 59 (92.2%) 139 (45.7%) <0.0001
Subretinal fluid, n(%) 25 (39.1%) 121 (39.8%) 1.00
Sub-RPE fluid, n (%) 25 (39.1%) 109 (36.1%) 0.67
Leakage on angiography, n (%) 18 (28.6%) 83 (27.9%) 0.88
Mean lesion size at 2 years, disc areas (SE) 4.47 (0.45) 3.10 (0.18) 0.002
Mean change in lesion size from baseline, disc areas (SE) 0.70 (0.29) 0.68 (0.15) 0.95
Fibrotic scar, anywhere, n (%) 31 (48.4%) 68 (22.4%) <0.0001
Non-fibrotic scar, anywhere, n (%) 12 (18.8%) 52 (17.1%) 0.72
Geographic atrophy, anywhere, n (%) 11 (17.2%) 58 (19.1%) 0.86
Pathology in fovea center, n (%) 0.03
 No pathology 9 (14.1%) 70 (23.0%)
 Fluid only 0 (0%) 13 (4.3%)
 Choroidal neovascularization 7 (10.9%) 55 (18.1%)
 Serous pigment epithelial detachment 0 (0%) 2 (0.7%)
 Scar 27 (42.2%) 59 (19.4%)
 Geographic atrophy 3 (4.7%) 11 (3.6%)
 Non-geographic atrophy 14 (21.9%) 58 (19.1%)
 Hemorrhage 0 (0%) 3 (1.0%)
 Retinal pigment epithelium tear 0 (0%) 5 (1.6%)
 Blocked fluorescence 0 (0%) 9 (3.0%)
 Other 3 (4.7%) 10 (3.3%)
 Unknown 1 (1.6%) 9 (3.0%)
*

From Fisher exact test for comparison of proportions, and two group t-test for comparison of means.

Only patients in PRN group were included in the analysis

VA=visual acuity; SE=sphericalequivalent; OCT=optical coherence tomography.