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. Author manuscript; available in PMC: 2015 Jun 1.
Published in final edited form as: J Thorac Cardiovasc Surg. 2013 Sep 24;147(6):1791–1798.e4. doi: 10.1016/j.jtcvs.2013.07.063

Table 3A.

Final Model for Risk Factors Associated with Stage II Hospital Length of Stay. (N=371, generalized R2=0.26).

Variable Hazard ratio (95% CI) P Reliability
Site 0.002 97%
Log of Norwood Length of stay in days 1.93 (1.60, 2.34) <.001 99%
Non-elective reason for timing of stage II 1.78 (1.38, 2.31) <.001 78%
Associated clinical diagnosis with stage II: Branch PA stenosis present 1.56 (1.20, 2.02) <.001 64%