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Table 2 Proportion of complete absorption of macular SRF, change in BCVA, and number of treatment over the 12-month period both the STMP group and the half-dose PDT group

From: Subthreshold micropulse laser photocoagulation versus half-dose photodynamic therapy for acute central serous chorioretinopathy

STMP Group Half-dose PDT Group P value  
Variables (n = 18) (n = 21)  
Complete absorption of
macular SRF at month 12,
 (n) 15(83.3%) 19(90.5%) 0.647
Change in BCVA at month 12,
(n), (ETDRS)
 Gained ≥ 15 letters 6 (33.3%) 8(38.1%) 0.757
 Gained ≥ 5 letters 15(83.3%) 19(90.5%)  
 No change 3(16.7%) 2(9.5%) 0.506
 Lost ≥ 5 letters 0 0  
Number of treatment over
the 12-month period, (n)
 1 11 17  
 2 5 3  
 3 0 0  
 4 2 1 0.174
  1. SRF subretinal fluid, BCVA best-corrected visual acuity, STMP subthreshold micropulse, PDT photodynamic therapy, ETDRS Early Treatment Diabetic Retinopathy Study