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Table 1 Statistical summary of HPA incidence, as detected by neonatal screening

From: Neonatal screening and genotype-phenotype correlation of hyperphenylalaninemia in the Chinese population

Time frame Neonate Screening Positive Incidence
2001–2005 211 510 184 103 (86.14 %) 12 1:15,342 (0.0065 %)
2006–2010 282 041 270 477(95.83 %) 36 1:7513 (0.0133 %)
2011–2015 383 437 377 434 (98.38 %) 58 1:6507 (0.0154 %)
2016–2020 415 634 411 943 (99.12 %) 75 1:5493 (0.0182 %)
2001–2020 1 292 622 1 243 957 (96.24 %) 181 1:6873 (0.0146 %)
  1. Positive, patients diagnosed with HPA