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   Articles with "negative rate" as a keyword



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False-negative rate of SARS-CoV-2 RT-PCR tests and its relationship to test timing and illness severity: A case series

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recommendations! Published in 2022 at "IDCases"

DOI: 10.1016/j.idcr.2022.e01496

Abstract: OBJECTIVE To determine the false-negative rate of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) reverse-transcription polymerase chain reaction (RT-PCR) test results, and to describe the characteristics of coronavirus disease 2019 (COVID-19) patients with false-negative results.… read more here.

Keywords: pcr tests; test; negative rate; illness ... See more keywords

Intelligent Fault Diagnosis for BLDC with Incorporating Accuracy and False Negative Rate in Feature Selection Optimization

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recommendations! Published in 2022 at "IEEE Access"

DOI: 10.1109/access.2022.3186753

Abstract: Early fault diagnosis is essential for the proper operation of rotating machines. This article proposes a fitness function in differential evolution (DE) that considers accuracy rate and false negative rate for optimization in brushless DC… read more here.

Keywords: fault diagnosis; false negative; negative rate; feature ... See more keywords

Frozen section evaluation of sentinel lymph nodes in breast carcinoma: a retrospective analysis

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recommendations! Published in 2017 at "ecancermedicalscience"

DOI: 10.3332/ecancer.2017.774

Abstract: Objective To determine the false-negative rate, sensitivity, and diagnostic accuracy of the frozen section analysis of the sentinel lymph node (SLN) biopsy in early-stage breast cancer compared to the definitive section and to identify the… read more here.

Keywords: negative rate; lymph; analysis; false negative ... See more keywords

Variation in False-Negative Rate of Reverse Transcriptase Polymerase Chain Reaction–Based SARS-CoV-2 Tests by Time Since Exposure

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recommendations! Published in 2020 at "Annals of Internal Medicine"

DOI: 10.7326/m20-1495

Abstract: Background: Tests for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) based on reverse transcriptase polymerase chain reaction (RT-PCR) are being used to “rule out” infection among high-risk persons, such as exposed inpatients and health care… read more here.

Keywords: symptom onset; negative rate; infection; day ... See more keywords