Fig. 1From: Changes in initiation of adjuvant endocrine therapy for breast cancer after state health reformStudy Sample Selection and Exclusions. *We assumed cases with missing diagnosis day but with usable data on month to have occurred on the 15th of the month. **Exclusion is based on subsequent breast cancer tumors only. ***Incomplete PR status corresponds to the following cases: PR status information was not collected for this case or not documented in patient recordBack to article page