Fig. 2.

Modified Rankin Scale score in AIS patients after vessel recanalization at 90 days. Image of scores on the modified Rankin Scale range from 0 to 6 in AIS patients after vessel recanalization at 90 days; 0 indicating no symptoms, 1 no clinically significant disability, 2 slight disability, 3 moderate disability, 4 moderately severe disability, 5 severe disability, and 6 death. Significant difference between the NBO and control groups was noted in the overall distribution of scores (common odds ratio, indicating the odds of improvement of 1 point on the modified Rankin Scale, 2.2; 95% confidence interval, 1.26 to 3.87), favoring NBO