| AI | Artificial Intelligence |
| ASA | American Society of Anesthesiologists (physical status) |
| AUC | Area Under the (Receiver Operating Characteristic) Curve |
| CPASS | Child Pain Anxiety Symptoms Scale |
| IQR | Interquartile Range |
| LASER | Light Amplification by Stimulated Emission of Radiation |
| LSTM | Long Short-Term Memory |
| NRS | Numerical Rating Scale |
| PACU | Post-Anaesthesia Care Unit |
| r-FLACC | revised Face, Legs, Activity, Cry, Consolability |
| RGB | Red, Green, Blue |
| ROC | Receiver Operating Characteristic |
| SD | Standard Deviation |
| STA-LSTM | Spatial-Temporal Attention Long Short-Term Memory (Network) |