Fig. 3.

Kaplan–Meier curve of patients for whom the MMT scores increased by 5 points or more in the first period. Event occurrence was defined as the time point when MMT scores initially increased by 5 points or more, and subsequently remained at the higher level, during the period from before drug administration until transfer to the second period. When the score was increased by less than 5 points upon transfer to the second period, the test was discontinued on day 56