Table 3 Subgroup analysis: breast cancer specific deaths by 10 years by BMI group and other factors
BMI <24 | BMI 25-29.9 | BMI 30+ | P value | |||
|---|---|---|---|---|---|---|
Total | No. | 331 | 349 | 369 | ||
Deaths 10 years, % | ||||||
All patients | 19.0 | 15.8 | 19.8 | P value | ||
Age | <40 | 132 | 20.0 | 38.0 | 20.0 | 0.1 |
40-59 | 678 | 18.2 | 10.9 | 19.7 | 0.02 | |
60+ | 239 | 29.2 | 35.4 | 35.4 | 0.9 | |
Menopause | Pre-menopause | 474 | 16.2 | 16.0 | 18.5 | 0.8 |
Peri-menopause | 65 | 6.3 | 13.6 | 11.1 | 0.8 | |
Post-menopause | 506 | 23.9 | 15.9 | 22.3 | 0.2 | |
Ethnicity* | Maori | 194 | 26.8 | 21.3 | 24.5 | 0.8 |
NZ European | 793 | 18.7 | 15.6 | 17.3 | 0.6 | |
Stage | 1, 2 | 684 | 8.9 | 9.9 | 8.4 | 0.9 |
3, 4 | 365 | 40.2 | 27.6 | 38.0 | 0.1 | |
Detection | Screen detected | 303 | 12.2 | 11.1 | 11.6 | 0.9 |
Symptomatic | 746 | 21.0 | 18.1 | 23.4 | 0.4 | |
Receptors | ER+, PR+ | 515 | 13.0 | 12.1 | 14.4 | 0.8 |
ER-, PR- | 270 | 15.8 | 13.6 | 22.2 | 0.3 | |
+/- | 238 | 30.1 | 25.0 | 27.7 | 0.7 | |
Systemic treatment | Chemo only | 338 | 33.0 | 24.1 | 32.8 | 0.2 |
Chemo + hormonal | 711 | 12.4 | 11.6 | 13.8 | 0.8 | |
Surgery | Breast conserving surgery | 496 | 14.2 | 11.4 | 9.9 | 0.5 |
Mastectomy | 509 | 20.4 | 16.4 | 24.1 | 0.2 | |
Radiotherapy | RT | 830 | 18.0 | 13.7 | 16.1 | 0.4 |
no RT | 175 | 22.4 | 23.6 | 37.5 | 0.09 | |
Health sector | Public | 672 | 22.2 | 16.4 | 20.4 | 0.3 |
Private | 377 | 15.1 | 14.9 | 17.8 | 0.8 | |