| Single factor analysis | Multivariable analysis | ||||
---|---|---|---|---|---|---|
Mutation positive | p-value | OR | (95% CI) | p-value | ||
N | % | |||||
Total | 249 | 21.17 | Â | Â | Â | Â |
Age at diagnosis | Â | Â | 0.063 | Â | Â | Â |
  < 50 year | 21 | 28.38 |  |  |  |  |
 50–59 year | 37 | 19.89 |  |  |  |  |
 60–69 year | 60 | 16.62 |  |  |  |  |
 70–79 year | 97 | 23.54 |  |  |  |  |
  > =80 year | 34 | 23.78 |  |  |  |  |
Sex |  |  | < 0.001 |  |  |  |
 Male | 77 | 15.01 |  | 1 |  |  |
 Female | 172 | 25.94 |  | 1.5 | (1.1–2.1) | 0.014 |
Ethnicity |  |  | < 0.001 |  |  |  |
 NZ European | 105 | 15.4 |  | 1 |  |  |
 NZ Maori | 16 | 9.14 |  | 0.7 | (0.4–1.2) | 0.201 |
 Pacific | 35 | 27.56 |  | 1.6 | (1.0–2.6) | 0.052 |
 Asian | 87 | 49.15 |  | 2.8 | (1.8–4.2) | < 0.001 |
 Other & Unknown | 6 | 40 |  | 2.5 | (0.8–7.5) | 0.118 |
Smoking status |  |  | < 0.001 |  |  |  |
 Current smoker | 19 | 7.2 |  | 1 |  |  |
 Ex-smoker | 85 | 14.07 |  | 2 | (1.2–3.5) | 0.008 |
 Non-smoker | 145 | 47.08 |  | 6.7 | (3.9–11.7) | < 0.001 |
Extent |  |  | 0.005 | – |  |  |
 Localised | 42 | 32.31 |  |  |  |  |
 Adjacent or regional | 50 | 18.8 |  |  |  |  |
 Distant spread | 106 | 18.89 |  |  |  |  |
 Unknown | 51 | 23.29 |  |  |  |  |
Histology |  |  | < 0.001 | – |  |  |
 Adenocarcinoma | 238 | 23.24 |  |  |  |  |
 Other | 11 | 7.24 |  |  |  |  |