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PrettyLitter is an American pet wellness company based in Los Angeles, that produces lightweight crystal-based cat litter that is designed to react to a cat's urine to indicate potential health problems by changing color based on the acidity, alkalinity or the presence of blood in a cat's urine.
Since the litter doesn’t clump, the urine sinks to where it could pool or cause the litter at the bottom of the box to turn blue and harden over time. 4 Reasons to Try PrettyLitter, the Cat ...
During National Cat Day, you can try Pretty Litter out for yourself for 20% off with code PRETTY20. $19 at PrettyLitter. Yuposl. Yuposl Automatic Cat Feeder. $30 $34 Save $4.
A false positive Covid-19 test result can happen, but it’s rare, says Brian Labus, Ph.D., M.P.H., assistant professor at the University of Nevada Las Vegas School of Public Health.
The false positive rate (FPR) is the proportion of all negatives that still yield positive test outcomes, i.e., the conditional probability of a positive test result given an event that was not present. The false positive rate is equal to the significance level. The specificity of the test is equal to 1 minus the false positive rate.
The false positive rate is calculated as the ratio between the number of negative events wrongly categorized as positive (false positives) and the total number of actual negative events (regardless of classification). The false positive rate (or "false alarm rate") usually refers to the expectancy of the false positive ratio.
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