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

Published in final edited form as: J Thorac Cardiovasc Surg. 2014 Jul 31;148(6):2499–506.e1. doi: 10.1016/j.jtcvs.2014.07.031

Table 4. Comparative analysis of mortality rates, by STAT scores and surgical pathway, both groups.

	Mortality rate, <2.5kg (n=146) N(%)	Mortality rate, 2.5-4.5kg (n=622) N(%)	Risk ratio (95%CI)	p-value
RISK CATEGORIES: STAT scores
1	0/10	1/23 (4.3)	NA	NA
2	3/16 (18.8)	1/32 (3.1)	6 (0.67,53.2)	0.1
3	1/18(5.6)	1/115 (0.87)	6.4 (0.42, 98)	0.25
4	10/78(12.8)	12/308 (3.9)	3.3 (1.48, 7.33)	0.005*
5	2/24 (8.3)	15/144(10.4)	0.8 (0.19, 3.3)	1
SURGICAL PATHWAY
Biventricular	9/92(9.8)	8/365 (2.2)	4.4 (1.8, 11.2)	0.02*
Palliation towards biventricular	2/13 (15.4)	1/48 (2)	7.4 (0.73, 75.2)	0.11
Univentricular	5/41 (12.2)	21/208(10)	1.2 (0.5, 3.1)	0.77