Table 6 Sentinel node biopsy 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%

Mastectomy

30.58

<0.001

3.127

2.088–4.68

Comedocarcinoma

6.92

0.0085

1.64

1.13–2.38

Tumour size (mm)

9.57

0.002

1.014

1.005–1.023

Low grade

7.58

0.0059

0.438

0.243–0.788

  1. Abbreviation: OR=odds ratio.
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