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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