Data from the Système National des Données de Santé (SNDS) hosted at INCa (Institut National du Cancer)
All French women over 18 years old diagnosed for an incident breast cancer from 2011 and 2017. No simultaneous cancer of other localization. No metastasis at diagnosis. Women treated at least by surgery and affiliated by general health insurance scheme.
Cohort size
Mean inclusion rate is 33 624 patients/year.
Median age
Cohort mean age is 60.2
had at least one comedication at diagnosis
n = 178 858
had at least one comorbidity at diagnosis
n = 110 716