Table 3 Comparison of visual outcomes between different ethnic groups

No. of eyes

89

89

48

41

–

Mean ± SD final VA, letters

67.0 ± 16.4

63.2 ± 21.0

70.5 ± 12.0

54.7 ± 25.8

< 0.001^b

Mean ± SD CRT, microns

307.3 ± 146.5

295.4 ± 122.2

269.9 ± 77.0

327.0 ± 157.2

0.269^b

Mean change in VA letters (95% CI)

+ 8.9 (2.7 to 10.5)

+ 5.0 (− 2.7 to 8.8)

+ 7.6 (3.2 to 12.0)

+ 2.0 (− 5.8 to 9.8)

0.581^b

Proportion with ≥15-letter gain

24 (27.0%)

29 (32.6%)

17 (35.4%)

12 (29.3%)

0.651^c

Proportion with ≤15-letter loss

84 (94.4%)

78 (87.6%)

44 (91.7%)

34 (82.9%)

0.333^c

VA ≥70 letters (20/40 Snellen equivalent)

48 (53.9%)

47 (52.8%)

33 (68.8%)

14 (34.1%)

0.001^c

Mean total ± SD, no. of injections

5.8 ± 2.9

13.8 ± 8.1

14.0 ± 8.1

13.6 ± 8.1

0.833^d

Received PDT, no. (%)

5 (5.6%)

14 (15.7%)

4 (8.3%)

10 (24.4%)

0.08^c

Mean time to PDT (SD), months

–

–

30 (15.2)

19.1 (15.6)

0.185^d

Polyp regression, no (%)^a

2/24 (8.3%)-

12/24 (50.0%)

7/10 (70.0%)

5/14 (35.7%)

0.214^c

Mean time to Polyp Regression (SD), months^a

–

–

45.3 (33.5)

34 (19.9)

0.519^d

Received Aflibercept or Ranibizumab, no. (%)

6 (6.7%)

15 (16.9%)

11 (22.9%)

4 (9.8%)

0.155^c