Table 1

Patient demographics for the IMPACT study

Anastrozole (n = 86)Tamoxifen (n = 88)Combination (n = 85)
Age (y), mean (SD)72.3 (8.9)71.8 (8.5)71.6 (8.0)
Tumor diameter, mean (SD)
    Caliper3.9 (1.2)4.1 (1.4)4.2 (1.9)
    Ultrasound2.7 (0.9)2.7 (1.3)2.6 (1.0)
Previous HRT, n (%)
    Yes23 (26.7)21 (23.9)16 (18.8)
    No58 (67.4)64 (72.7)68 (80.0)
    Not reported5 (5.8)3 (3.4)1 (1.2)
Hysterectomy, n (%)
    Yes15 (17.4)14 (15.9)15 (17.6)
    No53 (61.6)61 (69.3)57 (67.1)
    Not reported18 (20.9)13 (14.8)13 (15.3)