Table 2 Carrier frequencies for autosomal diseases in 1915 couples (3830 individuals).

From: A capillary electrophoresis-based multiplex PCR assay for expanded carrier screening in the eastern Han Chinese population

Inheritance patterns

Autosomal diseases

Genes

Number of pathogenic variants

Carrier frequencies (1/n)

Number of at-risk couples

Autosomal recessive

Genetic deafness

GJB2

141

27

6

Congenital adrenal hyperplasia

CYP21A2

114

34

1

Hepatolenticular degeneration

ATP7B

100

38

0

Genetic deafness

SLC26A4

91

42

0

Spinal muscular atrophy

SMN1

85

45

4

α-Thalassemia

HBA

84

46

0

Phenylketonuria

PAH

69

56

1

Methylmalonic acidemia with homocystinuria Cb1C

MMACHC

41

93

1

Tetrahydrobiopterin deficiency

PTS

21

182

0

Methylmalonic acidemia

MMUT

11

348

0

β-Thalassemia

HBB

10

383

0

Thrombocytopenia-absent radius syndrome

RBM8A

0

0

0

Hypotonia-cystinuria syndrome

SLC3A1, PREPL

0

0

0

X-linked recessive

X-linked ichthyosis

STS

5

383

5

Duchenne muscular dystrophy

DMD

2

958

2

Int22h1/Int22h2 mediated chromosome Xq28 duplication syndrome

Xq28

2

958

2

Fragile X syndrome

FMR1

1a

1915

1

Hemophilia A

F8

1

1915

1

Xp11.22 microduplication syndrome

HUWE1

1

1915

1

Pelizaeus-Merzbacher disease

PLP1

0

0

0

Mitochondrial inheritance

Genetic deafness

MT-RNR1

6

638

5

In total

  

785

4.9

30

  1. aTwo men with FMR1 pre-mutation were not included.