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. 2018 Mar 28;12:593–600. doi: 10.2147/OPTH.S160367

Table 1.

Univariate and multivariate analyses of the post-switch outcomes of injection number, change in BCVA, and change in CRT

Outcome Injection numbers post-switch
BCVA change post-switch (+3M)
CRT change post-switch (+3M)
Means or estimated coefficient±SD p-value univariate analysis p-value multivariate analysis Means or estimated coefficient±SD p-value univariate analysis p-value multivariate analysis Means or estimated coefficient±SD p-value univariate analysis p-value multivariate analysis
Age Per 10 years 0.01±0.2 (R2 0.00) 0.97 −1.1±0.8 (R2 −0.14) 0.18 −1.9±9.0 (R2 −0.02) 0.83
Gender Female, n=69 10.8±0.2 0.13 −0.4±0.7 0.50 −38.9±7.4 0.52
Male, n=29 11.2±0.2 0.4±1.0 −47.6±11.4
Type of CNV Occult, n=57 11.1±0.2 0.23 −0.8±1.0 0.07 −42.1±8.2 0.88
Min. classic, n=19 10.8±0.3 −4.7±1.8 −32.6±14.2
Pred. classic, n=13 10.2±0.4 1.5±2.1 −44.5±17.1
RAP, n=9 11.0±0.4 2.1±2.6 −51.6±20.6
PED at baseline Present, n=62 11.1±0.2 0.042* 0.025* 0.4±0.7 0.19 NS −47.7±7.7 0.18
Absent, n=36 10.6±0.2 −1.1±0.9 −30.7±10.1
PED at switch time point Present, n=60 11.1±0.2 0.046* NS 0.4±0.7 0.17 NS −53.7±7.7 0.02* NS
Absent, n=37 10.6±0.2 −1.2±0.9 −23.2±9.8
Missing data, n=1
BCVA change from baseline to Month 3 post RZB −0.00±0.01 (R2 −0.02) 0.88 0.01±0.05 (R2 0.01) 0.91 −0.40±0.58 (R2 −0.07) 0.48
BCVA change from Month 3 post RZB to switch 0.01±0.01 (R2 0.05) 0.88 −0.07±0.04 (R2 −0.17) 0.10 NS 0.16±0.47 (R2 0.04) 0.73
CRT change from baseline to Month 3 post RZB 0.00±0.00 (R2 0.04) 0.73 0.01±0.01 (R2 0.13) 0.19 NS −0.03±0.08 (R2 −0.04) 0.68
CRT change from Month 3 post RZB to switch 0.00±0.00 (R2 0.09) 0.36 −0.00±0.01 (R2 −0.06) 0.55 −0.25±0.05 (R2 −0.47) <0.0001* <0.0001*
Dryness of SD-OCT at Month 3 post RZB Dry, n=47 10.8±0.2 0.29 0.2±0.8 0.57 −43.7±8.9 0.73
Fluid, n=51 11.1±0.2 −0.5±0.8 −39.4±8.6
Number of injections during first 12 months post RZB Per injection 0.17±0.05 (R2 0.35) 0.0004* 0.0002* −0.04±0.20 (R2 −0.02) 0.83 −0.15±2.23 (R2 −0.01) 0.95
Duration of treatment before switch Per month 0.00±0.01 (R2 −0.05) 0.61 0.02±0.03 (R2 0.07) 0.50 −0.23±0.33 (R2 −0.07) 0.49

Notes:

*

Statistically significant value.

Abbreviations: +3M, 3 months post-switch; BCVA, best-corrected visual acuity; CNV, choroidal neovascularization; CRT, central retinal thickness; NS, not significant; PED, pigment epithelium detachment; RAP, retinal angiomatous proliferation; R2, correlation factor; RZB, ranibizumab; SD-OCT, spectral domain optical coherence tomography.