Table 4

Visual acuity change from baseline by time and treatment

Follow upFollow up, study group
3 weeks6 weeks12 weeks6 months12 months
Low (n = 18)High (n = 15)Low (n = 17)High (n = 13)Low (n = 17)High (n = 16)Low (n = 17)High (n = 11)Low (n = 17)High (n = 12)
⩽1 line loss15 (83)13 (87)10 (59)12 (92)8 (47)15 (94)7 (41)9 (82)6 (35)5 (42)
2 or 3 lines lost2 (11)2 (13)6 (35)1 (8)7 (41)1 (6)5 (29)0 (0)2 (12)2 (17)
4 or 5 lines lost1 (6)0 (0)1 (6)0 (0)0 (0)0 (0)0 (0)2 (18)3 (18)3 (25)
⩾6 lines lost0 (0)0 (0)0 (0)0 (0)2 (12)0 (0)5 (29)0 (0)6 (35)2 (17)
Mean−0.390.07−1.120−2.760−2.85−0.36−3.56−3.08
p Value Wilcoxon0.350.140.020.050.48