Table 4.

Retreatment

	Group A (n=10)	Group B (n=10)	P-value
Number of retreatments (mean ± SD)*	1.8±1.5	0.9±1.4	0.1383
Time to retreatment, months (mean ± SD)*	3.1±1.4	3.8±0.0¥	1.0000
Relapse rate, n (%)	8 (80.0)	4 (40.0)	0.0679

Notes: Group A: ranibizumab; group B: ranibizumab + PDT.

^*Mann–Whitney U-test; P<0.05.

^¥No data of visit 3 were available for one patient, so time to retreatment was calculated for three patients who received retreatment during visits 3–12.

Abbreviations: PDT, photodynamic therapy; SD, standard deviation.