Table 1 Demographic distribution, tumour characteristics, comorbid conditions and cancer treatment types by Aboriginality
| Â | Aboriginal cohort | Matched non-Aboriginal cohort | Â | Â | ||
|---|---|---|---|---|---|---|
N | % | N | % | OR (unadjusted) | 95% CIs | |
Total | 77 | 100.0% | 77 | 100.0% | Â | Â |
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 |