Fig. 2From: Cost-effectiveness analysis of newborn screening by tandem mass spectrometry in Shenzhen, China: value and affordability of new screening technologyMarkov model structurea. aCompares PKU screened using IF with the remaining 11 IEMs not screened to all 12 IEMs screened using MS/MS. The square represents a decision node, circles chance nodes, and triangles terminal nodesBack to article page