Table 5.

Multivariate analysis of composite outcome with BMI modeled using spline methodology

	Unadjusted		Adjusted
Risk Factor	OR (95% CI)	p	OR (95% CI)	p
Severely underweight vs. Normal weight	1.79 (1.55,2.06)	<0.0001	1.53 (1.31,1.79)	<0.0001
Underweight vs. Normal weight	1.39 (1.18,1.65)	0.0001	1.33 (1.11,1.60)	0.002
Overweight vs. Normal weight	1.04 (0.91,1.20)	0.54	1.03 (0.89,1.19)	0.72
Obese vs. Normal weight	1.28 (1.12,1.45)	0.0002	1.21 (1.05,1.39)	0.008
Age (per 5 years)			1.02 (0.98,1.06)	0.40
Female sex			0.96 (0.87,1.07)	0.47
Race
White			1	n/a
Black			1.32 (1.14,1.52)	0.0001
Other			1.26 (1.11,1.43)	0.0005
Previous cardiothoracic operations			1.24 (1.12,1.38)	<.0001
Presence of non-cardiac anatomic abnormalities			1.03 (0.70,1.52)	0.86
Presence of genetic syndrome or chromosomal abnormality			1.20 (1.04,1.37)	0.01
STAT mortality category
STAT 1			1	n/a
STAT 2			1.79 (1.56,2.05)	<0.0001
STAT 3			2.61 (2.17,3.14)	<0.0001
STAT 4/5			7.49 (6.52,8.60)	<0.0001
Preoperative mechanical circulatory support			2.59 (1.81,3.69)	<0.0001
Preoperative persistent shock			2.75 (1.63,4.63)	0.0001
Preoperative mechanical ventilation			5.89 (4.21,8.25)	<0.0001
Preoperative renal failure or need for dialysis			2.68 (1.95,3.68)	<0.0001
Preoperative neurological deficit/stroke/intracranial hemorrhage			1.51 (1.19,1.90)	0.0006
Preoperative diabetes mellitus			2.70 (1.83,3.99)	<0.0001
Any other preoperative factor			1.90 (1.70,2.12)	<0.0001