Table 1.
The intra- and inter-day precision study results of favipiravir.
| Intra-day(Positive mode) | Inter-day(Positive mode) | ||||||
|---|---|---|---|---|---|---|---|
| QC | Concentration(μg/mL) | Mean(μg/mL) | Accuracy% | Precision(%CV) | Mean(μg/mL) | Accuracy% | Precision(%CV) |
| LLOQC | 0.062 | 0.064 | 103.6 | 7.1 | 0.065 | 105.2 | 7.9 |
| LQC | 0.186 | 0.188 | 101.1 | 5.9 | 0.194 | 104.4 | 6.6 |
| MQC1 | 25 | 26.4 | 105.4 | 4.4 | 25.1 | 100.5 | 5.5 |
| MQC2 | 37.5 | 36.7 | 97.9 | 4.1 | 36.3 | 96.7 | 4.9 |
| HQC | 50 | 49.9 | 99.8 | 3.1 | 49.9 | 99.8 | 3.8 |
| Intra-day(Negative mode) | Inter-day(Negative mode) | ||||||
| QC | Concentration(μg/mL) | Mean(μg/mL) | Accuracy% | Precision(%CV) | Mean(μg/mL) | Accuracy% | Precision(%CV) |
| LLOQC | 0.048 | 0.049 | 101.1 | 5.6 | 0.047 | 98.7 | 7.4 |
| LQC | 0.144 | 0.143 | 99.8 | 4.8 | 0.146 | 103.1 | 6.4 |
| MQC1 | 25 | 24.8 | 99.3 | 4.6 | 26.2 | 104.6 | 4.9 |
| MQC2 | 37.5 | 38.0 | 101.4 | 3.5 | 37.4 | 99.8 | 4.4 |
| HQC | 50 | 50.9 | 101.8 | 3.3 | 51.2 | 102.4 | 3.9 |
LLOQ: lower limit of quantification; LQC: low QC; MQC1: medium 1 QC; MQC2: medium 2 QC; HQC: high QC.