项目

Group A

(n = 26)

Group B

(n = 264)

X²

P

DSA, n(%)

有效

24 (92.3%)

24 (100%)

2.08

0.25

无效

2 (7.7%)

0

FFA, n(%)

显效有效

17 (65.4%)

16 (66.7%)

3.09

0.21

有效

7 (26.9%)

6(25%)

无效

2 (7.7%)

2(8.3%)

视力改善,

n(%)

显著有效

11 (42.3%)

10(41.7%)

0.25

0.88