Fig. 2

Scores on the Modified Rankin Scale (mRS) at 6 Months. Scores on the mRS range from 0 to 6, with 0 indicating no symptoms; 1, no clinically significant disability; 2, minor functional impairment; 3, moderate disability with preserved ability to walk; 4, moderate severe functional impairment without ability to walk without assistance; 5, severe functional impairment requiring constant care; and 6, death.