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Volume 27, Number 5—May 2021
Research

Clinical Evaluation of Roche SD Biosensor Rapid Antigen Test for SARS-CoV-2 in Municipal Health Service Testing Site, the Netherlands

Zsὁfia Iglὁi, Jans Velzing, Janko van Beek, David van de Vijver, Georgina Aron, Roel Ensing, Kimberley Benschop, Wanda Han, Timo Boelsums, Marion Koopmans, Corine Geurtsvankessel, and Richard Molenkamp

Author affiliations: Erasmus MC, Rotterdam, the Netherlands (Z. Igloi, J. Velzing, J. van Beek, D. van de Vijver, G. Aron, M. Koopmans, C. Geurtsvankessel, R. Molenkamp); Public Health Service Rotterdam-Rijnmond, Rotterdam (R. Ensing, T. Boelsums); National Public Health Institute (RIVM), Bilthoven, the Netherlands (K. Benschop, W. Han)

Main Article

Table 5

Comparison of rapid test, PCR, and culture results for severe acute respiratory syndrome coronavirus 2, the Netherlands*

RDT result Culture result PCR Ct
 Total
<20
20–25
25–30
 >30
No. Median days after onset (range)† No. Median days after onset (range)‡ No. Median days after onset (range)§ No. Median days after onset (range)¶
+ NA 1 2 4 3.5 4 6.5 0 NA 9
+ + 30 3 74 4 30 4 1 9 135
+ − 0 NA 3 5 4 5.5 7 7 14
− NA 0 NA 0 NA 1 3 0 NA 1
− + 0 NA 1 7 4 5.5 0 NA 5
−
 −
 0
 NA
0
 NA
3
 NA
19
 6.5
 22
Total
 31 3 (1–9) 82 4 (1–12) 46 4 (1–9) 27 7 (2–15) 186

*No. indicates no. participants. Ct, cycle threshold; NA, not applicable.
†Unknown for 9 participants. 
‡Unknown for 16 participants.
§Unknown for 12 participants.
¶Unknown for 9 participants.

Main Article

Page created: March 16, 2021
Page updated: April 20, 2021
Page reviewed: April 20, 2021
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