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Table 1 Number of participants by diagnostic category and age bins

From: Top caregiver concerns in Rett syndrome and related disorders: data from the US natural history study

Diagnosis

Total

Female

Male

Age (years)

 < 1

1 to 3

3 to 5

5 to 10

10 to 15

15 to 20

20 to 25

25 to 30

30 to 40

 > 40

Classic RTT

641

638

3

0

45

73

145

119

99

58

40

46

16

Atypical RTT

84

80

4

0

8

16

16

9

16

7

2

8

2

MDS

74

7

67

1

15

14

17

13

6

2

5

1

0

CDD

67

55

12

6

14

13

19

8

5

1

1

0

0

FS

59

35

24

6

16

8

20

6

2

0

0

1

0

Total

925

815

110

13

98

124

217

155

128

68

48

56

18