Table 1.
Sensitivity of RT-PCR and CT test methods for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
| First author (year) | Number of patients | Sensitivity of RT-PCR and CT | Difference of sensitivity | |
|---|---|---|---|---|
| RT-PCR | CT scans | |||
| (Ai et al. 2020) | 1014 | 59% | 88% | 29% |
| (Bernheim et al. 2020) | 121 | 74% | 83% | 9% |
| (Falaschi et al. 2020) | 773 | 60% | 63% | 3% |
| (Fang et al. 2020) | 51 | 71% | 98% | 27% |
| (Feng et al. 2020) | 38 | 24% | 97% | 73% |
| (Gietema et al. 2020) | 193 | 43% | 57% | 14% |
| (He et al. 2020) | 34 | 79% | 77% | 2% |
| (Long et al. 2020) | 36 | 83% | 97% | 13% |
| (Mei et al. 2020) | 905 | 46% | 75% | 29% |
| (Yamamoto et al. 2020) | 36 | 14% | 44% | 30% |
CT computed tomography, RT-PCR real-time quantitative reverse transcriptase PCR