Table 1 Comparisons of the data using rapid test strips or quantitative analysis of urine ethylglucuronide
Test strip screening result | Number of samples in comparison | Laboratory result < 100 ng/mL | Laboratory result 100-300 ng/mL | Laboratory result > 300 ng/mL | Laboratory result > 500 ng/mL (included in > 300 ng/mL) |
|---|---|---|---|---|---|
Positive | 5 | 0 | 0 | 5 | 5 |
Uncertain | 57 | 25 | 26 | 6 | 2 |
Negative | 49 | 43 | 6 | 0 | 0 |
Total number | 111 | 68 | 32 | 11 | 7 |