Clinical Study

One-Year Outcomes of 1 Dose versus 3 Loading Doses Followed by Pro Re Nata Regimen Using Ranibizumab for Neovascular Age-Related Macular Degeneration: The ARTIS Trial

Table 2

Visual outcomes, CRT, and number of injections at month 3 and month 12.

PRN groupLD groupP value

Month 3Change of BCVA (mean ± SD)8.4 ± 11.911.9 ± 11.80.157
CRT (μm, mean ± SD)327.2 ± 155.0283.4 ± 127.20.139
Change in CRT from baseline−140.8 ± 192.3−144.7 ± 109.50.903
Increase of ≥15 letters (%)31.1%38.8%0.605
Decrease of ≥15 letters (%)2.2%00.479
Mean no. of injections2.43.0<0.01

Month 12Change of BCVA (mean ± SD)7.8 ± 16.010.9 ± 15.80.344
CRT (μm, mean ± SD)308.7 ± 122.3308.6 ± 138.60.999
Change in CRT from baseline−159.3 ± 204.2−120.5 ± 127.10.257
Increase of ≥15 letters (%)28.9%44.9%0.066
Decrease of ≥15 letters (%)6.7%6.1%1.000
Mean no. of injections6.06.80.275

BCVA, best-corrected visual acuity; CRT, central retinal thickness; LD, loading doses; PRN, pro re nata; SD, standard deviation.