Table 4 Proportion and odds ratios of patients with stage III colon cancer not offered chemotherapy
| Â | Â | total | (n, %) not offered chemo | Crude odds ratio | 95% confidence intervals | Adjusted odds ratio* | 95% confidence intervals |
|---|---|---|---|---|---|---|---|
Sex | Female | 103 | (29, 28%) | 1.0 | Â | 1.0 | Â |
|  | Male | 86 | (31, 36%) | 1.4 | 0.8–2.7 | 1.8 | 0.9–3.9 |
Age | 25–54 yrs | 33 | (4, 12%) | 1.0 |  | 1.0 |  |
|  | 55–64 yrs | 50 | (10, 20%) | 1.8 | 0.5–6.4 | 1.4 | 0.4–5.1 |
|  | 65–74 yrs | 55 | (14, 26%) | 2.5 | 0.7–8.3 | 1.2 | 0.3–4.5 |
|  | 75+ yrs | 51 | (32, 63%) | 12.2 | 3.7–40.1 | 8.7 | 2.3–32.4 |
Ethnicity | Non-Maori | 105 | (31, 30%) | 1.0 | Â | 1.0 | Â |
|  | Maori | 84 | (29, 35%) | 1.3 | 0.7–2.3 | 1.5 | 0.7–3.4 |
Charlson comorbidity index | O | 97 | (15, 16%) | 1.0 | Â | 1.0 | Â |
|  | 1–2 | 76 | (32, 42%) | 4.0 | 2.0–8.1 | 3.2 | 1.4–7.1 |
|  | 3+ | 16 | (13, 81%) | 23.7 | 6.0–93.3 | 20.1 | 4.2–95.6 |