Table 1.

Independent Predictors of Complications

Step	Variable	AOR (95% CI)	Adjusted P	Cumulative R2
1	Perioperative fluid resuscitation*	1.71 (1.40, 2.10)	<0.001	0.399
2	Anesthesia time†	1.73 (1.32, 2.25)	<0.001	0.534
3	Intraoperative blood loss‡	1.06 (1.05, 1.10)	0.049	0.565

Other variables entered in the model: age, diabetes mellitus, history of smoking, neoadjuvant chemotherapy, neoadjuvant radiation, bilateral reconstruction, episodes of intraoperative hypotension, intraoperative use of pressors, total intraoperative urine output, delayed versus immediate reconstruction and type of flap, blood transfusion, use of albumin, and BMI.

*Reported in ml/kg/hour.

†Reported in hours.

‡Reported in milliliters.

BMI, body mass index.