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Table 1 Demographic distribution, tumour characteristics, comorbid conditions and cancer treatment types by Aboriginality

From: Disparities in breast screening, stage at diagnosis, cancer treatment and the subsequent risk of cancer death: a retrospective, matched cohort of aboriginal and non-aboriginal women with breast cancer

  Aboriginal cohort Matched non-Aboriginal cohort   
N % N % OR (unadjusted) 95% CIs
Total 77 100.0% 77 100.0%   
Age
 < 50 years 22 28.6% 20 26.0%   
 50–69 years 41 53.2% 41 53.2%   
 70+ years 14 18.2% 16 20.8%   
2011 IRSAD Disadvantage
 Most disadvantage Q1 48 62.3% 13 16.9% 8.15 3.84–17.31
 Other Quintiles Q2 -Q4 29 37.7% 64 83.1% 1.00 Reference
Summary stage at diagnosis
 Localised 36 46.8% 47 61.0% 1.00 Reference
 Regional 24 31.2% 24 31.2% 1.31 0.64–2.66
 Distant/Unknown 17 22.1% 6 7.8% 2.87 0.92–9.01
BreastScreen SA (BSSA) contact
 Not listed with BSSA 31 40.3% 20 26.0% 1.00 Reference
 Listed with BSSA, not screened 23 29.9% 16 20.8% 0.52 0.26–1.03
 BSSA screened 23 29.9% 41 53.2% 0.37 0.19–0.73
Cancer treatmenta,b
 Hospitalisation with cancer diagnosis 62 80.5% 71 92.2% 0.35 0.13–0.96
 Systemic therapy 46 59.7% 58 75.3% 0.49 0.24–0.97
 Surgeryc 56 72.7% 68 88.3% 0.35 0.15–0.83
Mastectomy
Partial 20 26.0% 38 49.4% 1.00 Reference
Simple 34 44.2% 25 32.5% 2.58 1.22–5.46
 Radiotherapy 41 53.2% 51 66.2% 0.58 0.30–1.11
  1. aUp to 2 months before and 13 months after month of diagnosis
  2. bCategories are not mutually exclusive
  3. cSurgery includes a small number of excisions not categorised as mastectomy