. Author manuscript; available in PMC: 2015 Dec 1.

Published in final edited form as: J Thorac Cardiovasc Surg. 2014 Jul 21;148(6):2526–2531. doi: 10.1016/j.jtcvs.2014.05.095

TABLE 2.

Preoperative factors for the combined overall cohort and for those with or without Down syndrome

Preoperative factor	Overall (N = 2399)	Down syndrome (n = 1882)	Non-Down syndrome (n = 517)	P value
Mechanical circulatory support^*	4 (0.2)	2 (0.1)	2 (0.4)	.1662
Mechanical ventilatory support^*	110 (4.6)	74 (3.9)	36 (7.0)	.0035
Renal dysfunction^*	4 (0.2)	3 (0.2)	1 (0.2)	.8667
Shock – persistent^*	0 (0)	0 (0)	0 (0)	NA
Seizures	29 (1.2)	17 (0.9)	12 (2.3)	.0090
Septicemia	21 (0.9)	15 (0.8)	6 (1.2)	.4320
Any major preoperative factors	115 (4.8)	78 (4.1)	37 (7.2)	.0045
Any Society of Thoracic Surgeons preoperative factors	667 (27.8)	517 (27.5)	150 (29.0)	.4881

Values are given as n (%). NA, Not available.

Individual preoperative factor included in “Any major preoperative factors.”