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Table 1 Participant Characteristics (N = 116)

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

Sex n (%)

     Female

54 (46.55)

    Male

54 (46.55)

     Not reported

8 (6.90)

Race n (%)

    White

90 (77.59)

    Other/Unknown/Not reported

17 (14.66)

     Asian–Indian

3 (2.59)

     Pacific Islander–Other

2 (1.72)

    American Indian or Alaska Native

1 (0.86)

    Asian–Korean, White

1 (0.86)

    Black or African American

1 (0.86)

    Black or African American, White

1 (0.86)

Alive at the time of survey submission

    Yes

105 (90.52)

    No

11 (9.48)

Survey responder

    Caregiver

114 (98.28)

    Participant

2 (1.72)

Age at survey submission, years (Living participants only, N = 105)

    Mean (SD); Mode

7.1 (9.3); 4

    Median (Q1, Q3); Min, Max

5.0 (3.0, 7.0); 0, 68

Age at death, years (deceased participants only, N = 11)

    Mean (SD); Mode

3.5 (4.3); 1

    Median (Q1, Q3); Min, Max

2.0 (1.0, 4.0); 0, 14

Age at diagnosis, years

    Mean (SD); Mode

2.8 (5.0); 1

    Median (Q1, Q3); Min, Max

1.8 (1.0, 2.8); 0, 46

Genome type n (%)

    nDNA

74 (63.79)

    mtDNA

42 (36.21)

Specialists currently seen, Living participants only (N = 88)

    Mean (SD); Mode

5.7 (4.2); 6

    Median (Q1, Q3); Min, Max

5.0 (3.0, 8.0); 1, 30

  1. Abbreviations: nDNA = nuclear DNA; mtDNA = mitochondrial DNA