Table 1 Age and CGG size for all 25 males with FXS.

From: Intragenic DNA methylation in buccal epithelial cells and intellectual functioning in a paediatric cohort of males with fragile X

ID

Age at assessment

CGG size

FMR1 expansion category

1

3.32

210–630

FM

2a

3.36

>200#

FM

3

3.37

>200#

FM

4b

3.46

103; >200#

PM/FM

5

4.13

75; 150–813

PM/FM

6

4.41

113; 163–540

PM/FM

7

4.47

90; 200–420

PM/FM

8

4.97

672–1025

FM

9

5.01

322

FM

10

5.34

280–413

FM

11

5.44

343–890

FM

12b

5.99

590, 823–1263

FM

13

6.41

385

FM

14

6.97

303–803

FM

15a

7.87

173–516

PM/FM

16

7.97

377–970

FM

17

8.12

503–570

FM

18

8.60

280–480

FM

19

10.91

197; 313–463

PM/FM

20

12.80

170; 171; 197; >200#

PM/FM

21

13.37

110; 180–1400

PM/FM

22

13.42

200–433

FM

23

14.30

477–1263

FM

24

14.41

523

FM

25

16.93

360–760

FM

  1. Note: same letter next to ID indicate relatedness: 2a and 15a are brothers born from consanguineous parents; 4b and 12b are brothers born from unrelated parents.#FM alleles were detected with AmplideX that cannot accurately size alleles with >200 CGG repeats.