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. Author manuscript; available in PMC: 2026 Sep 22.
Published in final edited form as: Breast Cancer Res Treat. 2025 Sep 13;214(3):339–346. doi: 10.1007/s10549-025-07819-y

TABLE 4.

Postoperative breast infection rates

Characteristic Overall
(n = 3937)
No Closure of Defect
(n = 1664)
Closure of Defect
(n = 2273)
p-value
Wound infection, n (%) 332 (8.4%) 175 (11%) 157 (6.9%) < 0.001
Breast infection, n (%) 213 (5.4%) 108 (6.8%) 105 (4.7%) 0.010
Axillary infection, n (%) 134 (3.6%) 78 (5.0%) 56 (2.6%) < 0.001
True SSI, n (%) 70 (1.8%) 34 (2.0%) 36 (1.6%) 0.280

Bolded values indicate statistical significance; unknowns not included in all percentage calculations

SSI surgical site infection; wound infection includes breast and axillary infections.