Table 5. Statistical analysis of Ct value differences per gene region and test system for RM 1 and RM 2: Mean, median and 95%-CI of mean.
| Gene Region | Test kit | N | Mean | Median | 95%-CI of mean |
|---|---|---|---|---|---|
| E gene | Allplex 2019 n-CoV Assay | 33 | 3.3 | 3.3 | 2.6–3.9 |
| ampliCube Coronavirus SARS-CoV-2 | 15 | 3.2 | 3.3 | 1.8–4.5 | |
| COBAS SARS-CoV-2 Test | 38 | 3.1 | 3.1 | 2.8–3.4 | |
| IN-HOUSE | 23 | 3.2 | 3.2 | 1.8–4.7 | |
| LightMix Modular SARS and Wuhan CoV E gene | 24 | 3.3 | 3.3 | 2.1–4.4 | |
| LightMix Sarbeco E gene | 22 | 3.1 | 3.2 | 1.9–4.4 | |
| RealStar SARS-CoV-2 RT-PCR Kit 1.0 | 50 | 3.1 | 3.1 | 2.4–3.9 | |
| RIDA GENE SARS-CoV-2 | 68 | 3.3 | 3.2 | 2.4–4.1 | |
| Xpert Xpress SARS-CoV-2 | 51 | 3.1 | 3.1 | 2.9–3.4 | |
| N gene | Allplex 2019 n-CoV Assay | 33 | 3.3 | 3.3 | 2.7–3.9 |
| Allplex SARS-CoV-2/FluA/FluB/RSV Assay | 27 | 3.1 | 3.1 | 2.3–3.9 | |
| BD SARS-CoV-2 | 33 | 3.2 | 3.2 | 2.6–3.7 | |
| IN-HOUSE | 25 | 3.1 | 3.2 | 2.0–4.3 | |
| Xpert Xpress SARS-CoV-2 | 56 | 3.2 | 3.2 | 2.9–3.5 | |
| ORF1ab | COBAS SARS-CoV-2 Test | 49 | 3.1 | 3.1 | 2.8–3.4 |
| RdRP gene | Allplex 2019 n-CoV Assay | 32 | 3.4 | 3.4 | 2.7–4.1 |
| Allplex SARS-CoV-2/FluA/FluB/RSV Assay | 27 | 3.2 | 3.3 | 2.2–4.2 | |
| IN-HOUSE | 17 | 3.2 | 3.2 | 1.5–4.9 | |
| LightMix Modular Wuhan CoV RdRP gene | 24 | 3.5 | 3.4 | 1.9–5.0 | |
| S gene | Allplex SARS-CoV-2/FluA/FluB/RSV Assay | 29 | 3.1 | 3.2 | 2.1–4.1 |
| RealStar SARS-CoV-2 RT-PCR Kit 1.0 | 49 | 3.1 | 3.1 | 2.4–3.7 |