Purpose: To investigate person, cancer and treatment determinants of immediate breast reconstruction (IBR) in Australia.
Methods: Bi-variable and multi-variable analyses of the Quality Audit database.
Results: Of 12,707 invasive cancers treated by mastectomy circa 1998-2010, 8% had IBR. This proportion increased over time and reduced from 29% in women below 30 years to approximately 1% in those aged 70 years or more. Multiple regression indicated that other IBR predictors included: high socio-economic status; private health insurance; being asymptomatic; a metropolitan rather than inner regional treatment centre; higher surgeon case load; small tumour size; negative nodal status, positive progesterone receptor status; more cancer foci; multiple affected breast quadrants; synchronous bilateral cancer; not having neo-adjuvant chemotherapy, adjuvant radiotherapy or adjuvant hormone therapy; and receiving ovarian ablation.
Conclusions: Variations in access to specialty services and other possible causes of variations in IBR rates need further investigation.
Keywords: Breast reconstruction; Invasive breast cancer; Mastectomy.
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