Table 2.

Complications per breast

	COVID-negative	COVID-positive	Crude odds	P	Adj. odds*	P
Autologous breast reconstruction
Breast complications	33 (23.4)	13 (72.2)	8.5 (2.8–25.6)	< 0.001	8.0 (2.7–24.4)	< 0.001
Major	12 (8.5)	3 (16.7)	2.2 (0.5–8.5)	0.275	2.3 (0.6–9.6)	0.248
Minor	23 (16.3)	11 (61.1)	8.1 (2.8–23.0)	< 0.001	7.4 (2.5–21.3)	< 0.001
Donor site complications#	25 (23.1)	6 (50.0)	3.3 (1.0–11.2)	0.053	3.3 (1.0–11.5)	0.059
Major#	0	2 (16.7)	N/A	0.009	N/A	N/A
Minor#	23 (21.3)	4 (33.3)	1.8 (0.5–6.7)	0.349	1.7 (0.4–6.2)	0.445
Reintervention	12 (8.5)	1 (5.6)	0.6 (0.1–5.2)	0.689	0.6 (0.1–5.1)	0.646
Reanastomosis	6 (4.3)	1 (5.6)	0.8 (0.2–11.7)	0.801	1.5 (0.2–13.2)	0.739
Partial breast reconstruction
Breast complications	31 (25.6)	10 (76.9)	9.7 (2.5–37.5)	< 0.001	8.1 (1.9–34.0)	0.004
Major	8 (6.6)	3 (23.1)	4.3 (1.0–18.5)	0.055	3.0 (0.6–15.8)	0.185
Minor	24 (19.8)	9 (69.2)	9.1 (2.6–32.1)	< 0.001	8.1 (2.1–30.8)	0.002

Values presented as absolute count (proportion), odds ratio (95% confidence interval)

*Adjusted for age, BMI, radiotherapy and chemotherapy

#Donor sites as unit of analysis (108 COVID-, 12 COVID +)