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Table 2 Clinical features of TUBA1A-associated tubulinopathy

From: The mutational and phenotypic spectrum of TUBA1A-associated tubulinopathy

Clinical information

Born n (%)

Fetuses n (%)

Total n (%)

Number of reported cases

87 (100.0)

20 (100.0)

107 (100.0)

Sex

34f/38 m/15 ns

7f/12 m/1 ns

41f/50 m/16 ns

Microcephaly (HP:0000252)

47/53 (88.7)

10/20 (50.0)

57/75 (76.0)

 Normal

8/53 (15.1)

10/20 (50.0)

18/75 (24.0)

 No information available

32/87 (36.8)

0/20 (0.0)

32/107 (29.9)

 Congenital microcephaly (HP:0011451)

25/36 (69.4)

n/a

25/36 (69.4)

 Normal

11/36 (30.6)

n/a

11/36 (30.6)

 No information available

51/87 (58.6)

n/a

51/87 (58.6)

Global developmental delay (HP:0001263)

52/53 (98.1)

n/a

52/53 (98.1)

 Normal

1/53 (1.9)

n/a

1/87 (1.1)

 No information available

34/87 (39.1)

n/a

34/87 (39.1)

Other neurological symptoms

39/40 (97.5)

n/a

38/40 (95.0)

 Spasticity (HP:0001257)

19/40 (47.5)

n/a

23/40 (57.5)

 Muscular hypotonia (HP:0001252)

10/40 (25.0)

n/a

16/40 (40.0)

 Spasticity and muscular hypotonia (HP:0001257, HP:0001252)

6/40 (15.0)

n/a

6/40 (15.0)

 Other

4/40 (10.0)

n/a

4/40 (10.0)

 Normal

1/40 (2.5)

n/a

1/40 (2.5)

 No information available

47/87 (54.0)

n/a

47/87 (54.0)

Epilepsy (HP:0001250)

37/51 (72.5)

n/a

37/52 (71.2)

 Generalized tonic-clonic seizures (HP:0002069)

19/51 (37.3)

n/a

19/52 (36.5)

 Infantile spasms (HP:0012469)

4/51 (7.8)

n/a

4/52 (7.7)

 Generalized tonic-clonic seizures and infantile spasms (HP:0002069, HP:0012469)

5/51 (9.8)

n/a

5/52 (9.6)

 Focal seizures (HP:0007359)

8/51 (15.7)

n/a

9/52 (17.3)

 Absent

15/51 (29.4)

n/a

15/52 (28.8)

 No information available

35/87 (40.2)

n/a

35/87 (40.2)

Neuroophtalmological features

26/29 (89.7)

1/5 (20.0)

27/35 (77.1)

 Strabismus (HP:0000486)

14/29 (48.3)

n/a

14/35 (40.0)

 Nystagmus (HP:0000639)

3/29 (10.3)

n/a

3/35 (8.6)

 Strabismus and nystagmus (HP:0000486, HP:0000639)

4/29 (13.8)

n/a

4/35 (11.4)

 Optic nerve hypoplasia (HP:0008058)

6/29 (20.7)

1/5 (20.0)

7/35 (20.0)

 Absent

4/29 (13.8)

4/5 (80.0)

8/35 (22.9)

 No information available

57/87 (65.5)

15/20 (75.0)

72/107 (67.3)

Facial anomalies (HP:0000271)

21/29 (72.4)

9/15 (60.0)

30/44 (68.2)

 Micro−/retrognathia

6/29 (20.7)

7/15 (46.7)

13/44 (30.0)

 Absent

8/29 (27.6)

6/15 (40.0)

14/44 (31.8)

 No information available

58/87 (66.7)

5/20 (25.0)

63/107 (58.9)

  1. F Female, M Male, N Number, N/A Not applicable, NS Not specified