From: Measuring decision quality: psychometric evaluation of a new instrument for breast cancer surgery
 | Mast | Lump | Univariate | Multivariable |
---|---|---|---|---|
Factor | N = 111 | N = 272 | p | OR (95% CI) |
Stage II (vs. I) | 53.2 | 32.7 | 0.0002 | 1.81(0.89, 3.68) |
Importance: (on a scale from 0 to 10) | Â | Â | Â | Â |
Keep breast | 3.0 | 6.6 | <0.0001 | 0.79 (0.70, 0.88) |
Remove breast for peace of mind | 9.3 | 3.5 | <0.0001 | 1.88 (1.60, 2.22) |
Avoid having cancer come back in the breast | 9.9 | 9.6 | 0.0003 | Â |
Avoid radiation | 5.1 | 2.1 | <0.0001 | 1.23 (1.11, 1.36) |
Avoid side effects of radiation | 6.0 | 5.5 | 0.21 | Â |
Avoid hassle of radiation | 4.4 | 2.4 | <0.0001 | Â |