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. Author manuscript; available in PMC: 2024 Apr 1.
Published in final edited form as: Am J Ophthalmol. 2022 Dec 28;248:157–163. doi: 10.1016/j.ajo.2022.12.026

Table 1.

Comparison Between Treatment Pattern Groups with Respect To Baseline and Post-baseline Variables of Interest

Treated Continuously N= 86 Discontinued Treatment Early N=23 Treated Intermittently N=41 P-Value - Difference among 3 groups* P-Value — Treated Continuously vs Discontinued treatment early*
Baseline Characteristics
Age, Years - Mean (SD) 70.5 (10.0) 60.9 (13.3) 66.7 (12.1) 0.001 <0.001
Female, N (%) 39 (45.3%) 8 (34.8%) 19 (46.3%) 0.62 0.36
Race 0.006 0.004
 Black 4 (4.7%) 4 (17.4%) 8 (19.5%)
 White 77 (89.5%) 14 (60.9%) 29 (70.7%)
 Other 5 (5.8%) 5 (21.7%) 4 (9.8%)
Hispanic ethnicity 5 (5.8%) 3 (13.0%) 7 (17.1%) 0.12 0.24
CRVO disease type 76 (88.4%) 19 (82.6%) 32 (78.0%) 0.31 0.46
Mean disease duration (months), Mean (SD) 9.1 (17.7) 1.1 (2.2) 6.4 (11.9) 0.07 <0.001
w/ Diabetes 21 (24.4%) 11 (47.8%) 13 (31.7%) 0.09 0.03
w/ Hypertensive 62 (72.1%) 17 (73.9%) 31 (75.6%) 0.91 0.86
Aflibercept assignment 40 (46.5%) 11 (47.8%) 22 (53.7%) 0.75 0.91
Prior anti-VEGF treatment 32 (37.2%) 4 (17.4%) 13 (31.7%) 0.20 0.073
Visual Acuity Letter Score, Mean (SD) 52.6 (14.7) 51.0 (15.4) 48.2 (14.7) 0.31 0.66
Central Subfield thickness, μm – Mean (SD) 658 (232) 705 (268) 682 (214) 0.67 0.42
Month 01 Values
Change in VALS from baseline to M01
 < 5 18 (20.9%) 3 (13.0%) 9 (22.5%) 0.29 0.39
 5–9 18 (20.9%) 3 (13.0%) 3 (7.5%)
 10 or more 50 (58.1%) 17 (73.9%) 28 (70.0%)
CST < 300 μm at M01 62 (73.8%)** 17 (73.9%) 24 (61.5%)*** 0.35 0.99
Complete macular resolution at M01 24 (27.9%) 7 (30.4%) 7 (17.9%)*** 0.42 0.81
Month 60 Values
Visual Acuity Letter Score, Mean (SD) 65.7 (21.3) 73.1 (24.4) 57.4 (26.7) 0.03 0.16
Central Subfield thickness, μm – Mean (SD) 275 (141) 209 (39) 262 (101) 0.07 <0.001
Complete macular resolution at M60 13(15.7%)! 16(69.6%) 6(15.0%)!! <0.001 <.0001
*

P-values derived from ANOVA/t-test for continuous measures and Chi-Square tests for categorical.

**

Denominator is 84.

***

Denominator is 39.

!

denominator is 83.

!!

denominator is 40.