OS by age for patients with intermediate risk cytogenetics. Patients younger than 56 years (n = 149) had a median survival of 26 months, patients aged 56 to 65 years (n = 101) had a median survival of 12 months, patients aged 66 to 75 years (n = 110) had a median survival of 8 months, and patients older than 75 years (n = 24) had a median survival of 7 months.