Table 1.
Preoperative variables
| Dexmedetomidine group (n=47) | Control group (n=47) | P | |||
|---|---|---|---|---|---|
| Mean | SD | Mean | SD | ||
| Gender distribution (male:female) | 29:18 | 27:20 | 0.600* | ||
| Age (weeks) | 152.27 | 249.655 | 120.98 | 161.348 | 0.469** |
| Weight (kg) | 11.69 | 10.962 | 10.19 | 6.744 | 0.422** |
| RVOT gradient (mmHg) | 70.59 | 20.250 | 63.89 | 10.741 | 0.075** |
| PA annulus (Z score) | −2.1164 | 1.88317 | −2.0122 | 2.08343 | 0.800** |
| Preoperative HR | 118.56 | 17.937 | 126.53 | 13.385 | 0.066** |
| Preoperative propranolol (%) | 34 | 49.0 | 0.078* | ||
| Diagnosis (%) | |||||
| TOF | 82.97 | 95.77 | 0.044* | ||
| TOF with APV | 8.51 | 2.12 | |||
| TOF with PA | 8.51 | 2.12 | |||
*Pearson Chi-square, **Independent samples test. SD: Standard deviation, RVOT: Right ventricular outflow tract, PA: Pulmonary artery, TOF: Tetralogy of Fallot, APV: Absent pulmonary valve, HR: Heart rate