Table 1.

Participant characteristics

Characteristic	Muscular Dystrophy Cohort				Control for DMD Cohort	P values
	DMD	BMD	LGMD	All
	No. (%) or Mean ± SD	No. (%) or Mean ± SD	No. (%) or Mean ± SD	No. (%) or Mean ± SD	No. (%) of Mean ± SD
Number	35 (73%)	11 (23%)	2 (4%)	48 (100%)	33 (100%)
Age, y	13 ± 3	14 ± 3	14 ± 2	13 ± 3	13 ± 3	0.43
Ethnicity
Hispanic	5 (14%)	0 (0%)	1 (50%)	6 (13%)	N/A
Non-Hispanic	30 (86%)	11 (100%)	1 (50%)	42 (88%)	N/A
Race
Caucasian	29 (83%)	10 (91%)	1 (50%)	40 (83%)	N/A
Asian	2 (6%)	0 (0%)	0 (0%)	2 (4%)	N/A
African American	3 (9%)	1 (9%)	1 (50%)	5 (10%)	N/A
Other	1 (3%)	0 (0%)	0 (0%)	1 (2%)	N/A
Vital signs
SBP (mmHg)	109 ± 13	111 ±9	95 ± 3	109 ± 12	115 ± 10	0.02
DBP (mmHg)	65 ± 8	64 ± 9	60 ± 5	65 ± 7	64 ± 7	0.76
Heart Rate (bpm)	92 ± 14	79 ± 12	93 ± 1	89 ± 15	67 ± 13	<0.001
BMI (kg/m2)	24 ± 7	20 ± 3	18 ± 2	23 ± 7	22 ± 6	0.68
Glucocorticoid Use						0.003
Past users	6 (17%)	0 (0%)	1 (50%)	7 (15%)	N/A
Current user	24 (69%)	4 (36%)	1 (50%)	29 (61%)	N/A
Never used	5 (14%)	7 (64%)	0 (0%)	12 (25%)	N/A
Cardiac Medication Use						0.76
Past users	1 (3%)	0 (0%)	0 (0%)	1 (2%)	N/A
Current user	13 (37%)	4 (36%)	0 (0%)	17 (36%)	N/A
Never used	21 (60%)	7 (64%)	2 (100%)	30 (63%)	N/A
CoQ10 Use						0.99
Past users	3 (9%)	2 (18%)	0 (0%)	5 (10%)	N/A
Current user	8 (23%)	1 (9%)	0 (0%)	9 (19%)	N/A
Never used	24 (69%)	8 (73%)	2 (100%)	34 (71%)	N/A

P-values are comparisons between the controls (N=33) and the entire MD cohort (N=48) for characteristics available in the entire cohort and are between MD diagnoses for characteristics only applicable to the MD group.

Abbreviations: DMD – Duchenne muscular dystrophy, BMD – Becker muscular dystrophy, LGMD – Limb girdle muscular dystrophy, SD – standard deviation, y – years, BMI – Body mass index, SBP – systolic blood pressure, DBP – diastolic blood pressure, mmHg – millimeters of mercury, bpm – beats per minute, N/A – not applicable