Frederix, G.W.J.

cancer breast cancer breast study health therapy analysis treatment outcome difference tamoxifen country evaluation analyses patient effect cost-effectiveness state women carryover effect recurrence health states adjuvant trial utility model value event sensitivity horizon disease carryover exemestane productivity method postmenopausal women adjuvant therapy characteristic time horizon netherland 5 years impact letrozole hazard ratio participant pharmacoeconomic perspective modeling result early-stage breast cancer article review speci survival sample quality modeling methods sensitivity analyses intervention table decision sweden receptor number health-care payer perspective sensitivity analysis age breast cancer res postmenopausal estrogen assessment canada conclusion interest publication sensitivity analysis comparison justi fied author estrogen receptor –positive