Figure 3. Distribution of Modified Rankin Scale Scores at 90 Days After Stroke.

Distributions of scores on the modified Rankin Scale show a favoring of the alteplase group compared with the placebo group. Modified Rankin Scale scores range from 0 to 6 (0, no symptoms; 1, no clinically significant disability; 2, slight disability; 3, moderate disability; 4, moderately severe disability; 5, severe disability; and 6, death).