Table 2.
Sensitivity by lateral flow test and immunoglobulin class detected.
| Test | IgM |
IgG |
IgM or IgG |
||||||
|---|---|---|---|---|---|---|---|---|---|
| n | Positive | Sensitivity (95% CI) | n | Positive | Sensitivity (95% CI) | n | Positive | Sensitivity (95% CI) | |
| One Step COVID-2019 Test (Guangzhou Wondfo Biotech) | – | – | – | – | – | – | 173 | 124 | 71.7 (64.3–78.2) |
| TR DPP® COVID-19 IGM/IGG Bio-Manguinhos (Fundação Oswaldo Cruz) | 173 | 91 | 52.6 (45.2–59.9) | 173 | 109 | 63 (55.6–69.8) | 173 | 119 | 68.8 (61.5–75.2) |
| COVID-19 ECO IGM/IGG (Eco Diagnostica) | 173 | 125 | 72.3 (65.2–78.4) | 173 | 114 | 65.9 (58.6–72.6) | 173 | 130 | 75.1 (68.2–80.9) |
| COVID-19 IgG/IgM (Qingdao Hightop Biotech) | 173 | 39 | 22.5 (16.9–29.3) | 173 | 89 | 51.4 (44.0–58.7) | 173 | 91 | 52.6 (45.2–59.9) |
| Imuno-Rápido COVID-19 IgG/IgM (Wama Produtos Para Laboratorio) | 173 | 70 | 40.5 (33.5–47.9) | 173 | 108 | 62.4 (54.9–69.3) | 173 | 119 | 68.8 (61.6–75.2) |
| COVID-19 IgG IgM (Gold Analisa Diagnóstica) | 173 | 23 | 13.3 (9.1–19.2) | 173 | 98 | 56.6 (49.2–63.8) | 173 | 100 | 57.8 (50.4–64.9) |