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Table 1 Detailed clinical features of patients with COLQ gene variants

From: COLQ-Congenital myasthenic syndrome in an Iranian cohort: the clinical and genetics spectrum

Clinical Findings

Patient ID

Sex

AAD (y)

AAO (y)

Consanguinity

Family History

DDMM

First Symptom

Follow-up

Duration (m)

Progression

Diurnal Variation

Ptosis/

Ophtalmoparesis

Facial

Weakness

Sluggish

Pupils

High-arched Palate

PMH

MRC

Sumscore

Repetitive

CMAP

Decrement

in LFRNS (%)

Needle

EMG

P 1.1

F

36

At birth

+

+

+

Ptosis/ Limb Weakness

26

Steady

+

+/+

+

-

+

HTN

40

NA

NA

NA

P 1.2

F

31

At birth

+

+

+

Ptosis/ Limb Weakness

20

Steady

+

+/+

+

-

+

-

54

NA

NA

NA

P 2

F

39

9

+

-

-

Progressive Proximal Weakness

12

Progressive

-

-/-

-

-

-

HLP

58

-

33.20%

Myopathic

P 3

M

9

At birth

+

+

+

Floppy Baby

7

Steady

+

-/-

+

-

+

-

56

-

37.80%

Myopathic

P 4

M

19

At birth

+

+

+

Floppy Baby

67

Steady

-

+/+

+

-

-

-

59

+

39%

NA

P 5.1

M

20

9

+

+

-

Fatiguability/ Limb Weakness

92

Progressive

+

-/-

-

+

-

-

61

+

31.60%

Myopathic

P 5.2

M

11

8

+

+

-

Fatiguability

12

Progressive

-

+/-

+

+

-

-

68

+

11%

Myopathic

P 6

F

32

3

+

-

-

Ptosis/ Limb Weakness

48

Steady

+

+/+

+

-

+

-

61

+

43.90%

NA

P 7.1

F

9

At birth

+

+

+

Ptosis

6

Steady

-

+/+

+

+

-

-

51

+

43.50%

Myopathic

P 7.2

M

18

At birth

+

+

+

Ptosis/ Fatiguability

6

Steady

-

+/+

+

+

-

-

56

+

14%

Myopathic

P 8

F

13

7

+

-

-

Limb Weakness

19

Steady

-

-/-

-

-

-

Febrile Convulsion

58

+

35.90%

NA

P 9.1

M

15

9

+

+

-

Limb Weakness

18

Progressive

+

-/-

+

+

-

Minor Thalassemia

56

+

21.70%

NA

P 9.2

F

9

9

+

+

-

Limb Weakness

4

Steady

-

-/-

-

-

-

Minor Thalassemia

62

+

11.20%

NA

P 10

M

23

At birth

+

-

+

Floppy Baby

18

Progressive

-

+/-

-

+

-

-

53

+

40.70%

NA

P 11

M

22

At birth

+

+

+

Floppy Baby/ Ptosis

51

Steady

+

+/+

+

-

-

-

49

-

22.80%

NA

P 12

M

16

9

-

-

-

Walking Difficulty

54

Steady

+

-/-

+

-

-

-

60

+

42.20%

Myopathic

P 13

M

21

At birth

-

+

+

Floppy Baby/ Ptosis

52

Steady

+

+/+

+

-

-

-

56

+

71.40%

NA

P 14

F

22

At birth

-

+

+

Ptosis

153

Steady

+

+/+

+

-

-

Asthma/ Club foot

49

-

65.90%

NA

P 15

M

36

At birth

+

-

-

Ptosis/ Limb Weakness

177

Progressive

+

+/+

+

+

+

-

54

+

45.30%

NA

P 16

M

16

At birth

+

+

+

Ptosis/ Limb Weakness

13

Steady

-

+/+

+

-

+

-

56

+

65.60%

Normal

P17

M

27

15

+

-

-

Walking Difficulty

213

Steady

+

-/-

+

-

-

-

56

+

35.20%

Myopathic

P 18

M

27

At birth

+

+

+

Limb Weakness

134

Steady

+

+/+

+

-

-

-

55

-

34.70%

Myopathic

P 19

M

9

At birth

+

+

+

Limb Weakness

17

Steady

+

+/+

+

-

-

-

58

-

21.60%

Myopathic

P 20

M

17

8

+

-

-

Limb Weakness

28

Steady

+

-/-

+

-

-

-

59

+

24%

Myopathic

P 21

F

27

3

+

-

-

Ptosis/ Limb Weakness

35

Steady

-

+/+

-

-

-

-

54

+

35.60%

Myopathic

P 22

M

8

At birth

+

-

+

Ptosis

3

Progressive

+

+/+

+

+

-

-

60

+

42.40%

Myopathic

  1. M: Male, F: Female, AAD: age at diagnosis, AAO: age at onse, DDMM: Delayed Developmental Motor Milestone, NA: Not Available, PMH: Past Medical History, HTN: Hypertension, HLP: Hyperlipidemia, MRC: Medical Research Council, LFRNS: Low Frequency Repetitive Nerve Stimulation