Fig. 3

Change in modified rankin scale from Pre-Attack to 1 Year Post-Attack: OTI vs. Non-OTI-attacks. OTI orotracheal intubation, mRS modified rankin scale, mRS 0 no residual symptoms, mRS 1 no significant disability; able to carry out all pre-stroke activities, mRS 2 slight disability; unable to carry out all pre-stroke activities but able to look after self without daily help, mRS 3 moderate disability, requiring some external help but able to walk without the assistance of another individual, mRS 4 moderately severe disability, unable to walk or attend to bodily functions without assistance of another individual, mRS 5 severe disability, bedridden, incontinent, requires continuous care, mRS 6 death