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Comparison of Ct values between the saliva and NPS samples.
| Method | Sample | Mean ± SD | p value | Correlation | p value |
|---|---|---|---|---|---|
| BGI kit | Saliva | 14.19 ± 15.66 | 0.632 | 0.607 | <0.001 |
| NPS | 13.80 ± 13.43 | ||||
| Thermo Fisher kit | Saliva | 20.52 ± 12.79 | 0.343 | 0.472 | <0.001 |
| NPS | 21.24 ± 10.05 |
