Case Control Study
Conditions
Brief summary
To evaluate the influence of mammographic breast density at diagnosis on the risk of cancer recurrence and survival outcome in patients with invasive breast cancer after surgery
Interventions
OTHERMammographic breast density at diagnosis
Mammographic breast density at diagnosis
Sponsors
National Taiwan University Hospital
Study design
Observational model
CASE_CONTROL
Time perspective
RETROSPECTIVE
Eligibility
Sex/Gender
FEMALE
Age
20 Years to No maximum
Healthy volunteers
No
Inclusion criteria
* Women diagnosed with invasive breast cancer between 2004 and 2009 who had undergone surgery and had the mammographic breast density ascertained before, or at, diagnosis.
Exclusion criteria
* Women diagnosed with invasive breast cancer between 2004 and 2009 who had not undergone surgery or who had no mammographic breast density ascertained before, or at, diagnosis.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Hazard ratios for recurrence | 2004 to 2009 |
Secondary
| Measure | Time frame |
|---|---|
| Hazard ratios for death | 2004 to 2009 |
Outcome results
None listed