| Ref No | First Author Name | Lab. Country | Mfr | Sample type | Fresh sample | IFUC | D | Sensitivity | Sensitivity CI | Specificity | Specificity CI |
| [18] | Pekosz | USA | 1 | NP | Y | N | 251 | 0,96400 | 0,823–0,994 | 0,98700 | 0,961–0,995 | [19] | Schuit | Holland | 1 | NP | Y | N | 2678 | 0,63900 | 0,576–0,698 | 0,99600 | 0,992–0,998 | [20] | Caruana | Swiss | 1 | NP | Y | N | 532 | 0,41200 | 0,326–0,504 | 0,99800 | 0,987–1,000 | [21] | Kilic | USA | 1 | AN | Y | Y | 1384 | 0,66400 | 0,574–0,743 | 0,98800 | 0,981–0,993 | [22] | VanderMoeren | Holland | 1 | MT-OP | N | N | 351 | 0,94100 | 0,730–0,990 | 0,99400 | 0,978–0,998 | [23] | Karon BS | USA | 1 | NP | N | N | 347 | 0,66500 | 0,596–0,727 | 1,00000 | 0,975–1,000 | [24] | FINDa | Swiss | 2 | NP | Y | Y | 232 | 0,73200 | 0,581–0,843 | 1,00000 | 0,980–1,000 | [25] | KweonOJ | Korea | 2 | NP | N | N | 322 | 0,38300 | 0,313–0,459 | 1,00000 | 0,976–1,000 | [26] | FernandezM | Spain | 3 | NP | Y | Y | 46 | 0,87500 | 0,690–0,957 | 1,00000 | 0,851–1,000 | [27] | Dierks | Germany | 3 | NP | Y | Y | 444 | 0,45500 | 0,213–0,720 | 0,99500 | 0,983–0,999 | [28] | Caramelio | Italy | 3 | AN | Y | Y | 149 | 0,86600 | 0,784–0,920 | 0,88500 | 0,770–0,946 | [29] | Kohmer | Germany | 3 | NP | Y | N | 100 | 0,50000 | 0,389–0,611 | 1,00000 | 0,871–1,000 | [30] | Bianco | Italy | 3 | AN | Y | N | 907 | 0,90300 | 0,864–0,931 | 0,92100 | 0,897–0,940 | [31] | Krüger | Germany | 3 | NMT | Y | Y | 761 | 0,82200 | 0,752–0,875 | 0,99300 | 0,983–0,997 | [32] | DeninaM | Italy | 3 | NP | N | N | 191 | 0,94100 | 0,730–0,990 | 0,91900 | 0,869–0,951 | [33] | LeliC | Italy | 3 | NP | N | N | 792 | 0,68700 | 0,613–0,752 | 0,95200 | 0,932–0,966 | [23] | Karon BS2 | USA | 3 | NP | N | N | 347 | 0,83200 | 0,774–0,878 | 1,00000 | 0,975–1,000 | [34] | CentoV | Italy | 3 | NP | Y | Y | 960 | 0,85600 | 0,815–0,889 | 0,97200 | 0,956–0,983 | [35] | Orsi | Italy | 4 | NP | Y | Y | 110 | 0,93300 | 0,841–0,974 | 1,00000 | 0,929–1,000 | [20] | Caruana2 | Swiss | 5 | NP | Y | N | 532 | 0,48300 | 0,393–0,573 | 0,99500 | 0,983–0,999 | [36] | Beck | USA | 6 | AN | Y | Y | 346 | 0,77000 | 0,651–0,858 | 0,99600 | 0,980–0,999 | [37] | FordL | USA | 6 | NMT | Y | Y | 1051 | 0,68500 | 0,553–0,793 | 0,98500 | 0,975–0,991 | [1] | Harmon | USA | 6 | AN | Y | Y | 23462 | 0,22900 | 0,152–0,330 | 0,99870 | 0,998–0,999 | [38] | Harris | USA | 6 | AN | Y | Y | 2436 | 0,79300 | 0,746–0,834 | 0,99300 | 0,988–0,996 | [39] | Pray | USA | 6 | AN | Y | Y | 1098 | 0,68420 | 0,553–0,786 | 0,98460 | 0,975–0,991 | [40] | Mack | USA | 6 | NP | N | N | 10982 | 0,51150 | 0,438–0,585 | 0,99630 | 0,995–0,997 | [41] | SmithRD | USA | 6 | NP | Y | Y | 2887 | 0,76600 | 0,708–0,816 | 0,99740 | 0,995–0,999 | [42] | BrihnA | USA | 6 | NP | Y | Y | 2039 | 0,65800 | 0,578–0,728 | 0,99380 | 0,989–0,996 | [43] | Bornemann | Germany | 6 | NP | Y | Y | 1391 | 0,57100 | 0,469–0,668 | 0,99300 | 0,987–0,996 | [44] | Jaaskelainen | Finland | 6 | NP | N | N | 188 | 0,80400 | 0,733–0,860 | 1,00000 | 0,912–1,000 | [45] | PorteL | Chile | 6 | NP-OP | N | N | 64 | 0,93800 | 0,799–0,983 | 0,96900 | 0,843–0,994 | [46] | FINDb | Brazil | 7 | NP | Y | Y | 453 | 0,77500 | 0,692–0,841 | 0,97900 | 0,957–0,990 | [46] | FINDc | Germany | 7 | NP | Y | Y | 676 | 0,69200 | 0,536–0,814 | 0,96900 | 0,952–0,980 | [47] | KiroV | India | 7 | NP | Y | Y | 354 | 0,38200 | 0,305–0,466 | 0,99000 | 0,967–0,997 | [35] | Orsi | Italy | 7 | NP | Y | Y | 110 | 0,86700 | 0,758–0,931 | 1,00000 | 0,929–1,000 | [48] | Colavita | Italy | 7 | NP | Y | Y | 73070 | 0,54331 | 0,493–0,593 | 0,99455 | 0,994–0,995 | [49] | Baccani | Italy | 7 | NP | N | N | 93 | 0,35700 | 0,207–0,542 | 1,00000 | 0,944–1,000 | [50] | Liotti | Italy | 7 | NP | N | N | 359 | 0,47000 | 0,378–0,566 | 0,98400 | 0,960–0,994 | [51] | Osterman | Germany | 7 | NP-OP | N | N | 741 | 0,45400 | 0,405–0,504 | 0,97800 | 0,957–0,989 | [52] | KahnM | Germany | 7 | NP-OP | N | N | 3110 | 0,59375 | 0,494–0,687 | 0,98970 | 0,985–0,993 | [45] | PorteL2 | Chile | 7 | NP | N | N | 64 | 0,90600 | 0,758–0,968 | 0,96900 | 0,843–0,994 | [53] | Parada-ricart | Spain | 8 | NP | Y | Y | 172 | 0,73100 | 0,539–0,863 | 0,85600 | 0,790–0,904 | [54] | PorteL3 | Chile | 8 | NP-OP | N | N | 127 | 0,93900 | 0,865–0,974 | 1,00000 | 0,921–1,000 | [55] | Weitzel | Chile | 8 | NP-OP | N | N | 111 | 0,85000 | 0,756–0,912 | 1,00000 | 0,890–1,000 | [56] | Pickering | UK | 9 | AN-OP | N | N | 200 | 0,69000 | 0,594–0,772 | 0,98000 | 0,930–0,994 | [30] | KaronBS1 | USA | 10 | NP | N | N | 347 | 0,88300 | 0,831–0,921 | 1,00000 | 0,975–1,000 | [25] | KweonOJ2 | Korea | 11 | NP | N | N | 322 | 0,39500 | 0,324–0,471 | 0,98700 | 0,954–0,996 | [49] | Baccani2 | Italy | 11 | NP | N | N | 81 | 0,37500 | 0,212–0,573 | 1,00000 | 0,937–1,000 |
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Total number of samples is 137,770, pooled sensitivity = 0.671 (95% CI: 0.659–0.683), pooled specificity = 0.994 (95%CI:0.994–0.994). D = Number of samples, Mfr = Manufacturer code: (1) Beckton, Dickinson and Co., Veritor USA; (2) Boditech Med., iChroma, COVID-19 Ag, Chuncheon-si, Gang-won-do, Korea; (3) Lumira Dx Limited, London, UK; (4) NanoEntek FREND, Guro-gu, Seoul, Korea; (5) Precision Biosensor Exdia, Daejeon, Korea; (6) Sofia FIA Quidel Corporation, San Diego, CA, USA; (7) Standard F, SD Biosensor, Suwon, Korea; (8)Shenzen Bioeasy Biotechnology, Shenzhen, Guangdong Province PRC; (9) Surescreen FIA, Derby DE1 3QB, UK; (10) FIAflex SARS-CoV-2 Antigen FIA ACON Biotech (Hangzhou) Co., Ltd. PRC; (11) Boditech Med., AFIAS COVID-19 Ag, Chuncheon-si, Gang-won-do, Korea.
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