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.
Comparison of positive and negative results for FCM and plating of Lp.
| Culture | FCM total Lp | FCM viable Lp | ||
|---|---|---|---|---|
| Positive | Negative | Positive | Negative | |
| Positive | 22 | 15 | 17 | 20 |
| Negative | 17 | 31 | 14 | 34 |
| Agreement | 62% | 60% | ||
| Cohen's κ | 0.239 ± 0.106 | 0.171 ± 0.107 | ||
The threshold discriminating between positive and negative results is 1000 counts per litre. This is the level of contamination recommended for intervention in several countries.
