Table 4.

Generalized models for the association of sentinel lymph node biopsy (SLNB) with specified outcome

Model description	Any complication	Lymphedema	Wound infection	Seroma	Pain
SLNB
No	REF	REF	REF	REF	REF
Yes	1.39 (1.18–1.63)	4.45 (2.27–8.75)	1.24 (1.00–1.54)	1.40 (1.03–1.91)	1.31 (1.04–1.65)
Mastectomy after BCS
No	REF	REF	REF	REF	REF
Yes	1.36 (1.05–1.77)	2.17 (0.98–4.82)	1.55 (1.12–2.15)	2.51 (1.60–3.92)	0.88 (0.58–1.33)
Radiotherapy
No	REF	REF	REF	REF	REF
Yes	0.85 (0.85–1.31)	0.86 (0.44–1.68)	0.81 (0.65–1.02)	1.07 (0.76–1.51)	0.85 (0.67–1.07)
Prior MRI
No	REF	REF	REF	REF	REF
Yes	1.05 (0.72–1.00)	1.30 (0.64–2.61)	0.94 (0.70–1.25)	1.82 (1.27–2.60)	1.06 (0.78–1.44)

Accounting for matching and adjusting for treatment received. Adjusted odds ratio (99% confidence interval)

MRI magnetic resonance imaging, BCS breast-conserving surgery