Association between Spasticity and Functional Impairments during the First Year after Stroke in Korea: The KOSCO Study

ABSTRACTObjectiveTo investigate the correlation between spasticity severity and functional outcomes during the first year after stroke.DesignThe Korean Stroke Cohort for Functioning and Rehabilitation is a large, multicenter, prospective cohort study of all patients with acute first-ever stroke admitted to participating hospitals in nine Korean areas. To investigate the correlation between spasticity severity and functional status measured by using the Institutes of Health Stroke Scale(NIHSS), Modified Barthel Index(MBI), Functional Independence Measurement(FIM), Fugl-Meyer Assessment(FMA), Functional Ambulatory Category(FAC), modified Rankin scale(mRS), and American Speech-Language Hearing Association National Outcome Measurement System Swallowing Scale(ASHA-NOMS), data were analyzed at 3, 6, and 12 months after the occurrence of stroke.ResultsA total of 7359 stroke patients, 3056 patients were finally included. Prevalence rates of spasticity in patients after stroke were 6.8% at 3 months, 6.9% at 6 months and 7.6% at 12 months. The scores of mRS and NIHSS were higher and those of K-MBI, FIM, FMA and ASHA-NOMS were lower in more severe spastic patients, indicating poorer functional outcomes (p

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