眼数

清洁程度

治疗前N (%)

治疗后N (%)

卡方值

P值

研究组

21

级别

25.529

<0.001

0

0 (0.00%)

14 (66.7%)

1

10 (47.6%)

7 (33.3%)

2

11 (52.4%)

0 (0.00%)

对照组

21

级别

17.700

<0.001

0

1 (4.76%)

12 (57.1%)

1

9 (42.9%)

8 (38.1%)

2

11 (52.4%)

1 (4.76%)

卡方值

1.022

1.186

P值

>0.99

0.751