Results of the validation of the analytical method of nefopam and droperidol
| Equation of calibration curve | Determination coefficient (R²) | Intra-day (RSD) | Intermediate precision (RSD) | |
| Nefopam | y=36 111.36 x – 770 270.3 | 0.9998 | (0.07–0.91%) | 0.75 mg/mL: 0.60% 1.25 mg/mL: 0.69% 1.75 mg/mL: 0.54% |
| Droperidol | y=47 941.85 x – 63 531.5 | 0.9998 | (0.17–2.68%) | 15 µg/mL: 1.44% 25 µg/mL: 1.52% 35 µg/mL: 0.73% |