Table 3 Determination of accuracy and precision for formic acid, methanol and ethanol in human vitreous and whole blood
Concentration (mg/dl) | Within-day (n = 3) | Between-day (n = 3) | ||||
|---|---|---|---|---|---|---|
Mean ± SD | Accuracy | Precision | Mean ± SD | Accuracy | Precision | |
Formica acid (blood) | ||||||
0.5 | 0.49 ± 0.02 | 98.0 | 4.08 | 0.49 ± 0.01 | 99.3 | 2.32 |
75 | 75.6 ± 1.5 | 100.8 | 2.01 | 73 ± 1 | 97.3 | 1.37 |
150 | 153.6 ± 6.1 | 102.4 | 3.97 | 153.6 ± 7.7 | 102.4 | 5.01 |
Methanol (blood) | ||||||
50 | 54.2 ± 4.7 | 101.8 | 3.75 | 48.8 ± 1.04 | 97.6 | 2.13 |
250 | 248.6 ± 7.6 | 99.4 | 3.09 | 247.5 ± 8.4 | 99.1 | 3.41 |
500 | 491.6 ± 47.2 | 98.3 | 9.61 | 503.3 ± 35.4 | 100.6 | 7.04 |
Ethanol (blood) | ||||||
20 | 20.4 ± 0.9 | 102.0 | 4.67 | 20.2 ± 0.8 | 101.2 | 4.12 |
100 | 97.5 ± 7.6 | 97.5 | 7.89 | 98.8 ± 9.2 | 98.8 | 9.3 |
200 | 199.3 ± 18.1 | 99.6 | 9.10 | 203.3 ± 16.6 | 101.6 | 8.19 |
Formica acid (vitreous) | ||||||
0.5 | 0.5 ± 0.01 | 101.1 | 3.34 | 0.5 ± 0.01 | 100.8 | 3.37 |
75 | 76.5 ± 0.7 | 102.0 | 0.98 | 76.1 ± 3.5 | 101.5 | 4.69 |
150 | 148.7 ± 4.1 | 99.2 | 2.77 | 150.5 ± 4.8 | 100.3 | 3.20 |
Methanol (vitreous) | ||||||
50 | 49.2 ± 1.6 | 98.5 | 3.32 | 50.3 ± 2.7 | 100.7 | 5.47 |
250 | 251.2 ± 14.4 | 100.5 | 5.73 | 255.8 ± 12.3 | 102.3 | 4.82 |
500 | 499.1 ± 35.5 | 99.8 | 7.12 | 506.6 ± 33.2 | 101.4 | 6.57 |
Ethanol (vitreous) | ||||||
20 | 19.5 ± 0.4 | 97.7 | 2.13 | 19.8 ± 0.7 | 98.9 | 2.87 |
100 | 99.5 ± 5.07 | 99.5 | 5.09 | 100.2 ± 4.36 | 100.2 | 4.36 |
200 | 204.3 ± 12.6 | 102.2 | 6.19 | 200.6 ± 11.01 | 100.3 | 5.48 |