The most common lab tests have a very high false negative rate, making diagnoses even more difficult. (fransussman.com)
When the results were compared with studies in the literature using standard radiocolloid tracers the researchers found that the SN biopsy using tilmanocept provided a high identification rate and low false negative rate for SNs, thus facilitating accurate prediction of the spread of the cancer. (sciencedaily.com)
The false positive rate is much higher than the false negative rate of existing gun laws. (politics.stackexchange.com)