Table 1.
Preoperative Variables
| Preoperative Variables | DEX Group (n=60) Mean±SD | Placebo Group (n=30) Mean±SD | P Value |
|---|---|---|---|
| Age, months | 17.3±4.1 | 18.3±5.4 | 0.341a |
| Sex (male:female) | 40/20 | 18 / 12 | 0.302b |
| Weight, kg | 12.4±1.1 | 12.6±1.7 | 0.62a |
| Diagnosis | |||
| VSD | 16 (26.7%) | 10 (33.3%) | 0.874b |
| ASD | 14 (23.3%) | 6 (20%) | |
| VSD+ASD | 8 (13.3%) | 5 (16.7%) | |
| AVSD | 10 (16.7%) | 5 (16.7%) | |
| TOF | 8 (13.3%) | 3 (10%) | |
| PS | 4 (6.7%) | 1 (3.3%) | |
| Preoperative HR | 120±7.4 | 124±7.1 | 0.077a |
| Cyanosis | 12 (20%) | 4 (13.3%) | 0.122b |
ASD indicates atrial septal defect; AVSD, atrioventricular septal defect; DEX, dexmedetomidine; HR, heart rate; PS, pulmonary stenosis; TOF, tetralogy of Fallot; VSD, ventricular septal defect.
a
Independent t test.
b
Pearson χ2.