In most studies, between 24 and 30 hours of treatment was provided; some provided over 100 hours. Studies used different treatment schedules and treatments. Patients had acute or chronic aphasia; time since stroke onset ranged from 11.2 to 90 months among chronic aphasia patients. Where reported, patients ranged from 18 to 82 years of age. Most patients in intensity studies were non fluent and, where reported, 40% had more severe aphasia and 30%