Skip to main content
. 2020 May 27;6(2):42. doi: 10.3390/ijns6020042

Figure 2.

Figure 2

Recalls divided into three periods representing three different phases of the expanded screening program. Phase 1: 15 November 2010–2013; Introducing second-tier analysis for IVA; Using Singe Condition Tool in R4S; 351,211 babies screened. Phase 2: 2014–2016; Introducing Tool Runner and Dual Scatter Plot in R4S; 355,332 babies screened. Phase 3: 2017–1 July 2019; Introducing second-tier analyses for HCY, MMA, PA; Start using CLIR; 293,791 babies screened. During the whole period 1,000,334 newborns were thus screened, and the overall positive predictive value was 47%. (a) All recalls; (b) Recalls for all diseases except those where a second-tier analysis was implemented, i.e., all but MMA, PA, HCY, and IVA.