Table 3.

Unadjusted and adjusted odds ratios of perioperative complications in patients with anemia compared to those without anemia from logistic regression models.

	Unadjusted Odds Ratio (95% CI)	p-value	Adjusted Odds Ratio (95 % CI)*	p-value
Infectious Complications
Superficial wound infection	1.46 (1.30 – 1.65)	<0.001	1.00 (0.86 – 1.16)	0.965
Deep wound infection	2.15 (1.61 – 2.87)	<0.001	1.31 (0.92 – 1.86)	0.139
Organ space infection	1.69 (1.49 – 1.92)	<0.001	1.19 (1.02 – 1.39)	0.026
Pneumonia	2.40 (1.96 – 2.94)	<0.001	1.15 (0.89 – 1.48)	0.281
Urinary tract infection	1.26 (1.12 – 1.41)	<0.001	1.05 (0.91 – 1.21)	0.530
Sepsis + Septic Shock	2.58 (2.24 – 2.97)	<0.001	1.55 (1.31 – 1.84)	<0.001
Any infectious complication	1.63 (1.53 – 1.75)	<0.001	1.16 (1.07 – 1.26)	<0.001
Thromboembolic Complications
Pulmonary embolism	1.93 (1.58 – 2.36)	<0.001	1.24 (0.97 – 1.60)	0.089
DVT/thrombophlebitis	2.79 (2.22 – 3.52)	<0.001	1.79 (1.35 – 2.36)	<0.001
Stroke	1.70 (1.02 – 2.85)	0.043	0.98 (0.53 – 1.82)	0.944
Any thromboembolic complication	2.22 (1.91 – 2.58)	<0.001	1.39 (1.15 – 1.68)	0.001
Blood Transfusion	9.40 (8.84 – 10.00)	<0.001	5.78 (5.34 – 6.26)	<0.001
Length of Stay > 4 Days	4.06 (3.86 – 4.26)	<0.001	2.15 (2.01 – 2.31)	<0.001
Readmission Within 30 Days	1.84 (1.70 – 1.99)	<0.001	1.30 (1.18 – 1.42)	<0.001

^*Covariates: age, body mass index, race, ethnicity, ASA class, hypertension requiring medication, diabetes, smoking status, local malignancy versus advanced malignancy versus benign pathology, mode of surgery, surgical RVUs.