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Table 6 Skeletal, facial, skin, and dental

From: A Natural History Study of Timothy Syndrome

 

TS1

Gly406Arg

yes/total (%)

n = 30

TS2

Gly406Arg

yes/total (%)

n = 11

Gly402Ser yes/total (%)

n = 6

Diagnosed nsLQT8

yes/total (%)

n = 12

Other

yes/total (%) n = 28

Correlation p-value

Bone development abnormalities

28/30 (93)

6/11 (55)

0/6 (0)

0/11 (0)

16/27 (59)

0.0054

 Finger syndactyly

28/30 (93)

1/11 (9)

0/6 (0)

0/11 (0)

13/27 (48)

< 0.0001

  Includes 4–5

26/28 (93)

1/11 (9)

---

---

10/27 (37)

 

  Bilateral

18/28 (64)

1/11 (9)

---

---

7/27 (26)

 

  Toe syndactyly

24/30 (80)

1/11 (9)

0/6 (0)

0/10 (0)

11/27 (41)

 

  2–3 toe

23/24 (96)

1/11 (9)

---

---

10/27 (37)

 

  Bilateral

23/24 (96)

1/11 (9)

---

---

10/27 (27)

 

 Hip dysplasia

1/30 (3)

3/9 (33)

0/6 (0)

0/3 (0)

2/17 (12)

 

 Joint contractors

0/30 (0)

6/8 (75)

0/6 (0)

0/3 (0)

0/17 (0)

 

 Club foot

0/30 (0)

3/11 (27)

0/6 (0)

0/3 (0)

1/17 (6)

 

Facial abnormalities

26/27 (96)

8/8 (100)

6/6 (100)

3/3 (100)

20/21 (95)

> 0.9999

 Round face

23/25 (92)

7/9 (78)

3/6 (50)

2/3 (67)

12/21 (57)

 

 Broad forehead

23/23 (100)

7/9 (78)

4/6 (67)

---

5/21 (29)

 

 Thin upper lip

22/22 (100)

7/9 (78)

6/6 (100)

0/3 (0)

2/21 (13)

 

 Depressed maxillary

5/23 (22)

0/7 (0)

0/6 (0)

0/3 (0)

0/21 (0)

 

 Low set ears

11/22 (50)

7/9 (78)

0/6 (0)

1/3 (33)

8/21 (38)

 

 Flat bridge nose

6/15 (40)

2/4 (50)

1/6 (17)

0/3 (0)

7/21 (33)

 

 Hypertelorism

10/22 (45)

---

0/6 (0)

---

1/21 (5)

 

 Flat philtrum

6/21 (29)

1/9 (11)

0/6 (0)

0/3 (0)

0/21 (0)

 

 Bald at birth

26/27 (96)

2/11 (18)

1/6 (17)

1/3 (33)

11/21 (52)

 

Skin abnormalities

26/27 (96)

6/11 (55)

3/6 (50)

7/7 (100)

9/12 (75)

0.0025

 Skin sloughing

7/20 (35)

2/2 (100)

0/6 (0)

1/7 (14)

5/12 (42)

 

 Odd color

9/20 (45)

1/5 (20)

1/6 (17)

2/7 (29)

1/12 (8)

 

 Hot/cold sensitivity

26/27 (96)

2/11 (18)

3/6 (50)

5/7 (71)

9/12 (75)

 

Dental abnormalities

16/22 (73)

7/7 (100)

2/6 (33)

9/9 (100)

20/21 (95)

0.0029

 Frequent cavities

9/22 (41)

3/5 (60)

0/6 (0)

3/9 (33)

7/21 (33)

 

 Small teeth

11/18 (61)

2/5 (40)

0/6 (0)

2/9 (22)

3/21 (14)

 

 Misplaced teeth

9/11 (82)

3/3 (100)

1/6 (17)

3/9 (33)

6/21 (29)

 

 Tooth extraction surgery

7/16 (44)

4/7 (57)

1/6 (17)

4/9 (44)

6/21 (29)

 

 Sedation concerns

4/9 (44)

2/2 (100)

---

0/9 (0)

1/21 (5)

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