Table 1 SARS-CoV-2 analysis methods used at the Emergency department
Period 1 (N = 781) | Period 2 (N = 988) | Period 3 (N = 1171) | Total (N = 2940) | |||||
|---|---|---|---|---|---|---|---|---|
n = | % (95% CI) | n = | % (95% CI) | n = | % (95% CI) | n = | % (95% CI) | |
Analysis method | ||||||||
RT-PCR | 443 | 56.7 (53.2–60.2) | 298 | 30.2 (27.4–33.1) | 111 | 9.5 (7.9–11.3) | 852 | 29.0 (27.4–30.6) |
RAD test | 1 | 0.1 (0.007–0.7) | 506 | 51.2 (48.1–54.3) | 395 | 33.7 (31.1–36.5) | 902 | 30.7 (29.0–32.4) |
VitaPCR | 0 | 0.0 (0.0–0.5) | 4 | 0.4 (0.2–1.0) | 435 | 37.1 (34.4–40.0) | 439 | 14.9 (13.7–16.3) |
Total | 444 | 56.9 (53.4–60.3) | 650 | 65.8 (62.8–68.7) | 772 | 65.9 (63.2–68.6) | 1866 | 63.5 (61.7–65.2) |
Participants tested with multiple methods | ||||||||
Antigen and RT-PCR | 0 | 0.0 (0.0–0.5) | 152 | 15.4 (13.3–17.8) | 34 | 2.9 (2.1–4.0) | 186 | 6.3 (5.5–7.3) |
Antigen and Vita-PCR | 0 | 0.0 (0.0–0.5) | 0 | 0.0 (0.0–0.4) | 75 | 6.4 (5.1–8.0) | 75 | 2.6 (2.0–3.2) |
VitaPCR and RT-PCR | 0 | 0.0 (0.0–0.5) | 2 | 0.2 (0.04–0.7) | 44 | 3.8 (2.8–5.0) | 46 | 1.6 (1.2–2.1) |
RAD, VitaPCR and RT-PCR | 0 | 0.0 (0.0–0.5) | 2 | 0.2 (0.04–0.7) | 9 | 0.8 (0.4–1.5) | 11 | 0.4 (0.2–0.7) |