A review of these cases showed that patients with <i>DYNC1H1</i>-related MCD had higher risks of epilepsy (odds ratio [OR] = 33.67, 95% confidence interval [CI] = 11.59, 97.84) and intellectual disability/developmental delay (OR = 52.64, 95% CI = 16.27, 170.38). Here, DYNC1H1 is linked to Global developmental delay.