Table 2.

Baseline demographic and clinical characteristics

Demographics and clinical characteristics	n (% of total or within category) or median [IQR] N= 114
Sex (male/female)	68 (60%)/ 46 (40%)
Age at baseline visit (years)	12.7 [10.2, 15.6]
Time since Fontan procedure (years)	8.8 [6.2, 12.0]
Race/Ethnicity
White, non hispanic	35 (31%)
Black, non hispanic	2 (2%%)
Hispanic	58 (51%)
Tanner stage
1	35 (31%)
2	23 (20%)
3	17 (15%)
4	27 (24%)
5	12 (11%)
Single ventricle morphology
RV	57 (50%)
LV	57 (50%)
NYHA functional classification
I	81 (71%)
II	32 (28%)
III	1 (1%)
IV	0 (0%)
Medication use
ACE	58 (51%)
Diuretic	23 (20%)
Beta-Blocker	6 (5%)

ACE, angiotensin-converting enzyme inhibitors; NYHA, New York Heart Association.

Data are presented as percentages or medians [IQR] as appropriate.