Table 1: Clinical Characteristics of Patients Before HU Addition

PTS Sex Age (at Diagnosis) SOKAL Pre-Imatinib Treatments Months of Treatment with Imatinib 400 mg Months of Treatment with Imatinib 600 mg
1 F 31.9 Int IFN 10 4
2 M 63.3 High IFN+HU 6 3
3 F 47.3 High HU 6 3
4 M 52.2 Low HU 6 3
5 F 23.5 Low IFN 9 4
6 F 46.6 Int None 21 NA
7 M 40.1 Low IFN 6 3
8 M 50.6 Low IFN+AraC 15 16
9 M 47.7 Low IFN+AraC 10 4
10 M 39.1 Int IFN+HU 10 NA
11 F 66.4 Int None 12 5

Int = Intermediate; IFN = αInterferon; AraC = Cytarabine; NA=Not applicable.