Table 2.
Sensitivity of nasal swab and throat swab specimens by virus type.
| Respiratory Virus | Number of viruses detected by method |
Sensitivity, % (95% CI)* |
P value* | ||||
|---|---|---|---|---|---|---|---|
| Total, N(%) | Both positive | NS+, TS - | TS+, NS- | NS | TS | ||
| Any | 71(100) | 51 | 17 | 3 | 95.8 (88.1-99.1) | 76.1 (64.5-85.4) | 0.002 |
| HRV | 39(54.9) | 29 | 7 | 3 | 92.3 | 82.1 | |
| CoV | 14(19.7) | 10 | 4 | 0 | 100 | 71.4 | |
| Flu | 7(9.9) | 6 | 1 | 0 | 100 | 85.7 | |
| PIV | 4(5.6) | 2 | 2 | 0 | 100 | 50.0 | |
| MPV | 2(2.8) | 1 | 1 | 0 | 100 | 50.0 | |
| BoV | 2(2.8) | 1 | 1 | 0 | 100 | 50.0 | |
| RSV | 2(2.8) | 1 | 1 | 0 | 100 | 50.0 | |
| ADV | 1(1.4) | 1 | 0 | 0 | 100 | 100 | |
*
p-values and 95% CI only calculated for all viruses together given small numbers of other individual respiratory viruses. NS: nasal swab; TS: throat swab; CI: confidence interval; HRV: human rhinovirus; CoV: coronavirus; Flu: influenza A or B; MPV: metapneumovirus; BoV: bocavirus; RSV: respiratory syncytial virus; PIV: parainfluenza virus 1–4; ADV: adenovirus.