Table 3.

Mixed-Effects Logistic Regression Model for Two Years Postoperative Complication

Variable	Any donor site complication			Any breast complication
	OR	95% CI	p	OR	95% CI	p
Age	1.01	(0.99, 1.03)	0.480	1.01	(0.99, 1.04)	0.205
BMI	1.03	(0.99, 1.07)	0.131	1.08	(1.04, 1.12)	<.001
Procedure type
DIEP		-Ref-			-Ref-
PTRAM	0.63	(0.32, 1.24)	0.178	0.94	(0.46, 1.94)	0.872
FTRAM	0.52	(0.27, 1.02)	0.057	0.51	(0.25, 1.02)	0.058
SIEA	2.73	(1.51, 4.96)	0.001	1.15	(0.61, 2.17)	0.668
Bilateral reconstruction	1.11	(0.71, 1.73)	0.645	1.21	(0.79, 1.87)	0.384
Prophylactic mastectomy	1.73	(0.86, 3.47)	0.125	1.45	(0.71, 2.94)	0.304
Delayed reconstruction	0.35	(0.11, 1.09)	0.069	0.48	(0.18, 1.30)	0.151
Smoking
Non-smoker		-Ref-			-Ref-
Previous smoker	1.59	(1.06, 2.39)	0.024	1.07	(0.72, 1.60)	0.721
Current smoker	3.94	(1.44, 10.81)	0.008	3.14	(1.13, 8.68)	0.028
Diabetes	2.36	(1.15, 4.88)	0.020	0.94	(0.44, 1.97)	0.860
Radiation
None		-Ref-			-Ref-
Before mastectomy	0.73	(0.39, 1.37)	0.324	1.63	(0.93, 2.89)	0.090
After mastectomy before reconstruction	1.41	(0.39, 5.11)	0.602	1.73	(0.58, 5.16)	0.325
After reconstruction	1.15	(0.65, 2.06)	0.629	1.00	(0.55, 1.84)	0.996
Adjuvant chemotherapy	0.97	(0.58, 1.63)	0.912	1.13	0.68, 1.88)	0.647