Table 3.
Total concordant, discordant and not assessed results in rounds 1, 2 and 3 of the SARS-CoV-2 proficiency testing program
| Round | RCPAQAP Sample ID |
Final interpretation | Total concordance n (%) | Total discordance n (%) | Total not assessed n (%) |
|---|---|---|---|---|---|
| 1 (Mar 2020) | S1 | SARS-CoV-2 positive | 16 (100) | – | – |
| S2 | SARS-CoV-2 presumptive positive | 13 (81.3) | – | 3 (18.7) | |
| S3 | SARS-CoV-2 negative | 16 (100) | – | – | |
| S4 | SARS-CoV-2 presumptive positive | 5 (31.2) | 10 (62.5) | 1 (6.3) | |
| S5 | SARS-CoV-2 presumptive positive | 10 (62.5) | 5 (31.2) | 1 (6.3) | |
| 2 (May 2020) | S6 | SARS-CoV-2 positive | 140 (96.5) | 3 (2.1) | 2 (1.4) |
| S7 | SARS-CoV-2 positive | 141 (97.2) | 2 (1.4) | 2 (1.4) | |
| S8 | SARS-CoV-2 presumptive positive | 85 (58.6) | 17 (11.7) | 42 (29.7) | |
| S9 | SARS-CoV-2 negative | 135 (93.1) | 6 (4.1) | 4 (2.8) | |
| S10 | SARS-CoV-2 positive | 136 (93.8) | 5 (3.4) | 4 (2.8) | |
| 3 (Nov 2020) | S11 | SARS-CoV-2 negative | 166 (94.9) | – | 9 (5.1) |
| S12 | SARS-CoV-2 negative | 167 (95.4) | – | 8 (4.6) | |
| S13 | SARS-CoV-2 negative | 168 (96.0) | – | 7 (4.0) | |
| S14 | SARS-CoV-2 positive | 167 (95.4) | 5 (2.9) | 3 (1.7) | |
| S15 | SARS-CoV-2 positive | 167 (95.4) | 5 (2.9) | 3 (1.7) |