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. Author manuscript; available in PMC: 2015 Apr 1.
Published in final edited form as: World J Pediatr Congenit Heart Surg. 2014 Apr;5(2):256–271. doi: 10.1177/2150135113519454

Table 2.

Classification of All Participating Centers in the STS-CHSD and the CHSS.

Number Category
100 Centers that participate in STS-CHSD in January 2012
74 Centers that participate in the CHSS in January 2012
70 Centers that participate in the STS-CHSD and the CHSS
30 Centers that participate in the STS-CHSD only
4 Centers that participate in the CHSS only
Of the 70 centers that participate in the STS-CHSD and the CHSS
  40 Centers that participate in the STS-CHSD and the CHSS and consented to participate in this project
  8 Centers that participate in the STS-CHSD and the CHSS who responded to the invitation to participate in this study and declined to participate
  22 Centers that participate in the STS-CHSD and the CHSS who never responded to the invitation to participate in this study

Abbreviations: CHSS, Congenital Heart Surgeons’ Society; STS-CHSD, Society of Thoracic Surgeons Congenital Heart Surgery Database.