| PSA | Procedural Sedation and Analgesia Multidisciplinary Digital Publishing Institute |
| EtCO2 | End-tidal Carbon Dioxide |
| SpO2 | Peripheral Oxygen Saturation (by pulse oximetry) |
| ASA | American Society of Anesthesiologists Physical Status Classification |
| IQR | Interquartile Range |
| VAS | Visual Analog Scale |
| FLACC | Face, Legs, Activity, Cry, Consolability (pain scale) |
| CI | Confidence Interval |
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