Fourati 2020 [C].

Study characteristics
Patient Sampling	Comparative study of six Ag tests (no product codes reported); Fourati 2020 [A] reports full study characteristics and QUADAS
Patient characteristics and setting	Comparative study of six Ag tests (no product codes reported); Fourati 2020 [A] reports full study characteristics and QUADAS
Index tests	Comparative study of six Ag tests (no product codes reported); Fourati 2020 [C] relates to test [C] in the list below; see Fourati 2020 [A] for full study characteristics and QUADAS entries [A] SARS‐CoV‐2 COVID‐19 Respi‐Strip [B] Standard Q COVID‐19 Ag [C] PanBio COVID‐19 Antigen Rapid Test [D] Biosynex COVID‐19 Ag BSS [E] COVID‐VIRO Antigen Rapid Test [F] NG Test SARS‐CoV‐2 Ag (assay excluded from review due to Vortex requirement as stated in IFU) Manufacturer: [A] Coris BioConcept, Gembloux, Belgium [B] SD BIOSENSOR, Inc., Korea [C] Abbott, Chicago, Illinois, USA [D] Biosynex, Strasbourg, France [E] AAZ, Boulogne‐Billancourt, France [F] NG Biotech, Guipry, France Antibody: Not stated Antigen target: Not stated Test method: Not stated Samples used: NP; collection not reported Transport media: VTM (Cepheid® or Deltalab®); 100 μL used for testing Sample storage: frozen at ‐80 °C until use Test operator: Laboratory staff Definition of test positivity: Visual, as per manufacturer. Blinding reported: Yes; each test was interpreted independently by two different laboratory technicians. A third reading was carried out in the event of discrepancy Timing of samples: post‐symptom onset (reported for 289 samples): 0‐3 days 97, 34%; 4‐7 days 103, 36%; 8=11 days 63, 22%; >=12 days 26, 9% No. samples reported at >7 days varied per test, maximum was 289
Target condition and reference standard(s)	Comparative study of six Ag tests (no product codes reported); Fourati 2020 [A] reports full study characteristics and QUADAS
Flow and timing	Comparative study of six Ag tests (no product codes reported); Fourati 2020 [A] reports full study characteristics and QUADAS
Comparative
Notes