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10.1016/j.jiac.2021.07.005 http://scihub22266oqcxt.onion/10.1016/j.jiac.2021.07.005 34301485!8266545!34301485     free     free     free Deprecated: Implicit conversion from float 235.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 235.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 235.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 235.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 235.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       J+Infect+Chemother 2021 ; 27 (10): 1489-1492 Nephropedia Template TP {{tp|p=34301485|t=2021. Prospective analytical performance evaluation of the QuickNavi-COVID19 Ag for asymptomatic individuals |pdf=|usr=}}{{34301485}} gab.com Text Prospective analytical performance evaluation of the QuickNavi-COVID19 Ag for asymptomatic individuals JO: J Infect Chemother http://www.kidney.de/pget.php?&tw=1&pmid=34301485 #FOAvip INTRODUCTION: Antigen testing may help screen for and detect severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infections in asymptomatic individuals. However, limited data regarding the diagnostic performance of antigen tests for this group are available. METHODS: We used clinical samples to prospectively evaluate the analytical and clinical performance of the antigen test QuickNavi-COVID19 Ag. This study was conducted at a PCR center between October 7, 2020 and January 9, 2021. Two nasopharyngeal samples per patient were obtained with flocked swabs; one was used for the antigen test, and the other for real-time reverse transcription PCR (RT-PCR). The diagnostic performance of the antigen test was compared between asymptomatic and symptomatic patients, and the RT-PCR results were used as a reference. RESULTS: Among the 1934 collected samples, 188 (9.7%) demonstrated detection of SARS-CoV-2 by real-time RT-PCR; 76 (40.4%) of these 188 samples were from asymptomatic individuals, and over half of the total samples were asymptomatic (1073; 55.5%). The sensitivity of the antigen test was significantly lower for the asymptomatic group than for symptomatic patients (67.1% vs. 89.3%, respectively, p < 0.001). The specificity was 100% for both groups, and no false positives were observed among all 1934 samples. The median cycle threshold value for the asymptomatic group was significantly higher than that of the symptomatic group (24 vs. 20, p < 0.001). CONCLUSIONS: The QuickNavi-COVID19 Ag showed lower sensitivity for the asymptomatic group than for symptomatic patients. However, its specificity was consistently high, and no false positives were found in this study. Twit Text FOAVip Prospective analytical performance evaluation of the QuickNavi-COVID19 Ag for asymptomatic individuals ????J Infect Chemother http://www.kidney.de/pget.php?&tw=1&pmid=34301485 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=34301485 #FOAvip English Wikipedia <ref>{{Cite pmid|34301485}}</ref> Prospective analytical performance evaluation of the QuickNavi-COVID19 Ag for asymptomatic individuals #MMPMID34301485 Kiyasu Y; Takeuchi Y; Akashi Y; Kato D; Kuwahara M; Muramatsu S; Notake S; Ueda A; Nakamura K; Ishikawa H; Suzuki H J Infect Chemother 2021[Oct]; 27 (10): 1489-1492 PMID34301485show ga INTRODUCTION: Antigen testing may help screen for and detect severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infections in asymptomatic individuals. However, limited data regarding the diagnostic performance of antigen tests for this group are available. METHODS: We used clinical samples to prospectively evaluate the analytical and clinical performance of the antigen test QuickNavi-COVID19 Ag. This study was conducted at a PCR center between October 7, 2020 and January 9, 2021. Two nasopharyngeal samples per patient were obtained with flocked swabs; one was used for the antigen test, and the other for real-time reverse transcription PCR (RT-PCR). The diagnostic performance of the antigen test was compared between asymptomatic and symptomatic patients, and the RT-PCR results were used as a reference. RESULTS: Among the 1934 collected samples, 188 (9.7%) demonstrated detection of SARS-CoV-2 by real-time RT-PCR; 76 (40.4%) of these 188 samples were from asymptomatic individuals, and over half of the total samples were asymptomatic (1073; 55.5%). The sensitivity of the antigen test was significantly lower for the asymptomatic group than for symptomatic patients (67.1% vs. 89.3%, respectively, p < 0.001). The specificity was 100% for both groups, and no false positives were observed among all 1934 samples. The median cycle threshold value for the asymptomatic group was significantly higher than that of the symptomatic group (24 vs. 20, p < 0.001). CONCLUSIONS: The QuickNavi-COVID19 Ag showed lower sensitivity for the asymptomatic group than for symptomatic patients. However, its specificity was consistently high, and no false positives were found in this study. |*Asymptomatic Infections[MESH] |*COVID-19 Serological Testing[MESH] |*COVID-19/diagnosis[MESH] |Antigens, Viral[MESH] |Humans[MESH] |Prospective Studies[MESH] |SARS-CoV-2[MESH]Prospective analytical performance evaluation of the QuickNavi-COVID19(epmc).pdf DeepDyve Pubget Overpricing