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. Author manuscript; available in PMC: 2010 Nov 27.
Published in final edited form as: N Engl J Med. 2010 May 27;362(21):1980–1992. doi: 10.1056/NEJMoa0912461

Figure 5. Difference in Rate of Death or Transplantation at 12 Months in Prespecified Subgroups, According to Shunt Assignment.

Figure 5

P values are from a logistic-regression test of the interaction between shunt assignment and treatment subgroup. The strata for surgeon’s experience and site volume were defined according to the annual number of randomly assigned infants. Bars represent 95% confidence intervals. DHCA denotes deep hypothermic circulatory arrest during the Norwood procedure, MBT modified Blalock–Taussig, PV pulmonary venous, RCP regional cerebral perfusion, and RVPA right ventricle–pulmonary artery.