Variable | GROUP K (n = 20) | GROUP E (n = 20) | GROUP S (n = 20) | P value |
Age (months) (mean ± S.D.) | 8.1 ± 7.07 | 10.4 ± 8.22 | 13.7 ± 8.08 | 0.08 |
Sex (M/F) (n) | 16/4 | 16/4 | 11/9 | 0.13 |
Height (cm) (mean ± S.D.) | 64.0 ± 14.28 | 67.7 ± 11.68 | 70.1 ± 9.45 | 0.28 |
Weight (kg) (mean ± S.D.) | 5.1 ± 2.33 | 5.9 ± 2.44 | 6.6 ± 2.25 | 0.12 |
BSA (m2) (mean ± S.D.) | 0.29 ± 0.096 | 0.32 ± 0.109 | 0.35 ± 0.082 | 0.13 |
Preoperative treatment: | ||||
Propranolol (n) | 5 | 2 | 2 | 0.30 |
Furosemide (n) | 14 | 16 | 19 | 0.21 |
Digoxin (n) | 8 | 11 | 13 | 0.41 |
Antibiotics (n) | 4 | 5 | 1 | 0.28 |