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Table 2 History of symptoms

From: Leigh syndrome global patient registry: uniting patients and researchers worldwide

 

Age first experienced symptom (years)

Symptom

Na

Symptom experienced

Nb

Mean (SD); Mode

Median (Q1, Q3); Min, Max

n (%)

Hypotonia

100

80 (80.00)

47

1.2 (1.4); 1

1.0 (0.4, 1.5); 0, 9

Failure to thrive

97

69 (71.13)

55

1.3 (1.2); 1

1.0 (0.4, 2.0); 0, 6

Nystagmus or strabismus

105

69 (65.71)

52

2.2 (2.5); 1

1.5 (0.9, 2.3); 0, 15

Seizures

104

46 (44.23)

32

2.9 (4.1); 1

1.0 (0.4, 3.0); 0, 18

Gastric reflux

98

45 (45.92)

34

1.5 (1.7); 1

0.9 (0.3, 2.0); 0, 6

Hand tremor

97

44 (45.36)

35

2.9 (2.9); 2

2.0 (1.0, 3.0); 0, 16

Dystonia

98

40 (40.82)

30

3.3 (3.5); 2

2.0 (0.8, 3.0); 0, 16

Gastric motility issues

91

31 (34.07)

24

3.7 (6.5); 1

1.8 (1.0, 3.0); 0, 30

Sleep apnea

96

28 (29.17)

22

2.7 (1.7); 2

2.5 (1.7, 4.0); 0, 6

Tics

96

17 (17.71)

15

3.6 (2.3); 4

3.0 (2.0, 4.0); 0, 9

  1. aN = number of participants with a valid response (Yes, No) regarding a specific symptom
  2. bN = number of participants who had a history of a symptom and provided an age when it first started