Table 4 Numbers of intravitreal anti-VEGF injections and PDT sessions

From: Clinical outcomes in Caucasian patients with polypoidal choroidal vasculopathy

  Treatment group p a
PDT + anti-VEGF PDT anti-VEGF
Number of injections (all patients)    
  Total 8.5 ± 5.6 N/A 10.5 ± 4.8 0.3828
  During first year 5.5 ± 2.4 N/A 6.0 ± 2.4 0.5990
  Annual rate 4.6 ± 2.1 N/A 5.1 ± 2.3 0.6243
Number of injections (PDT at baseline)    
  Total 7.8 ± 5.8 N/A 10.5 ± 4.8 0.2611
  During first year 4.7 ± 2.0 N/A 6.0 ± 2.4 0.1680
  Annual rate 4.3 ± 2.0 N/A 5.1 ± 2.3 0.4198
Number of PDT sessions (all patients)    
  Total 1.2 ± 0.5 1.7 ± 0.7 N/A 0.0402
  Annual rate 0.8 ± 0.5 1.3 ± 0.7 N/A 0.0455
  1. Numbers of treatments are all presented as mean ± standard deviation
  2. N/A not applicable
  3. aComparison of the number of treatments between the two groups in each row as applicable. Two-tailed unpaired Student’s t test was used for the number of injections and two-tailed Mann–Whitney test was used for the number of PDT sessions