Table 4. Multivariate analysis for prediction of successful use of IN dexmedetomidine.
| Variables | Unadjusted OR of successful use of dexmedetomidine (95% CI) | P value | Adjusted OR of successful use of dexmedetomidine (95% CI)‡ | P value |
|---|---|---|---|---|
| Age (months) | 1.01 (1.00–1.02) | 0.211 | 0.99 (0.96–1.03) | 0.696 |
| Weight (kg) | 1.06 (0.99–1.14) | 0.066 | 1.08 (0.91–1.28) | 0.362 |
| Male | 0.96 (0.43–2.14) | 0.917 | 0.78 (0.31–1.89) | 0.560 |
| Ethnicity | ||||
| Chinese | Reference | Reference | ||
| Malay | 2.24 (0.77–6.48) | 0.138 | 2.08 (0.66–6.54) | 0.211 |
| Indian | 1.74 (0.37–8.12) | 0.482 | 1.04 (0.18–5.83) | 0.968 |
| Others | 1.56 (0.59–4.19) | 0.372 | 1.66 (0.56–4.88) | 0.359 |
| Procedures | ||||
| Long | Reference | Reference | ||
| Short | 5.71 (1.98–16.53) | <0.001* | 5.30 (1.69–16.61) | 0.004* |
| Dose | ||||
| <3 μg/kg | Reference | Reference | ||
| ≥3 μg/kg | 2.36 (0.87– 6.39) | 0.0865 | 1.38 (0.47–4.10) | 0.559 |
*, P value <0.05; ‡, adjusted for age, weight, gender, ethnicity, dose category of IN dexmedetomidine, length of procedure. IN, intranasal; OR, odds ratio; CI, confidence interval.