Table 3 The distribution of common PAH gene mutations within China.

From: Molecular characterisation of phenylketonuria in a Chinese mainland population using next-generation sequencing

Trivial name (protein effect)

Chinese mainland population

Taiwanese population

Present study

p value

Previous study12

p value

Taiwanese study40

RF(%)

RF(%)

RF(%)

Chinese (n = 796)

Northern China (n = 557)

Southern China (n = 239)

Chinese (n = 212)

Northern China (n = 100)

Southern China (n = 112)

p.R243Q

17.53

18.13

16.11

0.3300

25.43

25.50

23.21

0.6616

4.60

p.EX6-96A > G

7.66

7.54

7.95

0.7780

8.89

6.50

10.27

0.1463

9.20

p.V399V

5.84

6.64

3.97

0.0370**

3.21

2.50

3.57

0.4999

3.50

p.R241C

5.40

4.40

7.74

0.0070**

3.70

3.00

4.02

0.5453

23.20

p.R111*

4.77

5.39

3.35

0.0800

3.70

4.00

3.13

0.6536

3.50

p.Y356*

4.46

5.12

2.93

0.0530

5.19

5.55

4.46

0.6560

0.70

p.R413P

4.33

5.39

1.88

0.0020**

5.43

8.00

2.68

0.0155**

4.90

IVS4-1G > A

3.77

3.23

5.02

0.0860

6.42

6.00

6.25

0.8742

0.70

  1. Abbreviation: PAH, phenylalanine hydroxylase; RF, relative frequency; **p < 0.05.