Table 3

Univariate (t-test or chi-square) and multivariable logistic regression analyses predictors of having mastectomy
Mast Lump Univariate Multivariable
Factor Nā€‰=ā€‰111 Nā€‰=ā€‰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)
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
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
Avoid hassle of radiation 4.4 2.4 <0.0001

Factors in bold were significant in the multivariable regression model and used to calculate the concordance score.

Mast=mastectomy; Lump=lumpectomy; OR=odds ratio; CI=confidence interval.

Sepucha et al.

Sepucha et al. BMC Medical Informatics and Decision Making 2012 12:51   doi:10.1186/1472-6947-12-51

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