Increased Risk of ADHD Among Children With Bilateral Congenital Cataracts

Differences in age and sex between the CC and NV groups were compared using the independent samples t test and Chi-square test, respectively. Comparisons of abnormal rates between the CC and NV groups were performed using the Chi-square test. Scores on all subscales recorded for the CC group were compared with those of the NV group and the Chinese urban norm using the independent samples t test and one-sample t test, respectively.