Table 2 Performance of RSNA classification
First author | Country | Inclusion period [in 2020] | Number of patient | RT-PCR positivity (%) | Typical appearance | Typical or indeterminate appearance | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Sen | Spe | PPV | NPV | Sen (%) | Spe (%) | PPV (%) | NPV (%) | |||||
Barbosa [60] | Brazil | Feb to Mar | 91 | 28 | 64% | 85% | 61% | 86% | 92 | 62 | 48 | 95 |
Cicaresse [61] | Italy | 2/27–3/27 | 460 | 46 | 72% | 92% | 88% | 79% | 89 | 67 | 69 | 87 |
Falaschi [62] | Italy | 3/3–4/9 | 773 | 60 | — | — | — | — | 91 | 79 | 86 | 85 |
Santos [63] | Brazil | 3/13–3/23 | 71pt/75CT | 45 | 83% | 97% | 95% | 87% | 92 | 79 | 78 | 92 |
Som [64] | USA | 1/15–3/30 | 89 | 40 | 86% | 80% | 74% | 89% | 98 | 55 | 60 | 98 |
Colombi [65] | Italy | 3/30–4/13 | 239 | 45 | — | — | — | — | 85 | 69 | 69 | 85 |
Inui [49] | Japan | 1/30–6/30 | 100 | 50 | 74% | 83% | 81% | 76% | 92 | 41 | 61 | 84 |
De Saliva Teles [66] | Brazil | 3/15–3/24 | 175 | 50 | 74% | 98% | 97% | 79% | 83 | 88 | 87 | 84 |