Table 1 RNA purification from a covid-9 positive sputum sample
|  | Concentration (ng/µl) | Purity (260/280 ratio) |
|---|---|---|
A RNA purification data | ||
 QIagen extraction kit | 20.9 | 1.98 |
 In-house solutions | 19.8 | 2.02 |
| Â | N-gene CT | N-gene viral load Copies/ml | E-gene CT | E-gene viral load Copies/ml | RNaseP CT | Positive/negative |
|---|---|---|---|---|---|---|
B qRT-PCR results | ||||||
 QIagen extraction kit | 20.83 | 1.6 × 105 | 23.92 | 7.13 × 103 | 26.96 | Positive |
 In-house solutions | 21.9 | 6.9 × 104 | 24.67 | 4.16 × 103 | 27.3 | Positive |
 Positive control | 19.4 | 4.9 × 105 | 24.52 | 4.6 × 103 | 28.59 | Positive |
 Negative control | U.D | U.D | U.D | U.D | U.D | Negative |