Table 4 Mastectomy option influencing factors: multiple logistic regression analysis by stepwise procedure

From: Breast-conserving surgery with or without radiotherapy vs mastectomy for ductal carcinoma in situ: French Survey experience

Variable

WALD value

χ 2 P -value

OR

IC 95%

Tumour size (mm)

187

<0.0001

1.088

1.075–1.1

Age (years)

9.09

0.0026

0.975

0.96–0.99

Low grade

6.94

0.0084

0.497

0.29–0.83

  1. Abbreviation: OR=odds ratio.
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