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.
A 2 × 2 diagnostic table of FLAT assay
| UTI results | ||||
|---|---|---|---|---|
| Culture + | Culture − | |||
| FLAT results | Positive | True positive (62) |
False positivea (3) |
Positive predictive value = 95% |
| Negative | False negative (26) |
True negative (311) |
Negative predictive value = 92% |
|
| Sensitivity = 70% | Specificity = 99% | |||
False positives (n = 3) are defined as cases where FLAT indicated a positive result, but culture results were negative based on a threshold of ≥105 CFU/mL.
