Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Results of agreement between the outer packaging and the extract for the 144 exhibits analyzed.
| Outer Packaging | Extract | Percent Occurrence | Result Type |
|---|---|---|---|
| Drug Detected | Same Drug Detected | 32% (n = 46) | True Positive |
| Drug Detected | No Drug Detected | 1% (n = 1) | False Positive |
| Drug Detected | Different Drug Detected | 13% (n = 19) | False Positive |
| No Drug Detected | Drug Detected | 43% (n = 62) | False Negative |
| No Drug Detected | No Drug Detected | 11% (n = 16) | True Negative |
| Overall Accuracy: | 43% |
