| Dex | Dexmedetomidine |
| SD | Standard deviation |
| Ket. | Ketamine |
| GA | General anesthesia |
| IV | Intravenous |
| IN | Intranasal |
| Neb | Nebulized |
| NR | Not Reported |
| Y | Year |
| kg | Kilogram |
| SBP | Systolic blood pressure |
| DBP | Diastolic blood pressure |
| RR | Respiratory rate |
| PR | Pulse Rate per minute |
| Intra-op. analgesic | Intraoperative analgesic |
| Post op. analgesic | Postoperative analgesic |
| SpO2 | O2 saturation |
| FLACC | Face, Legs, Activity, Cry, Consolability scale. |