Table 2.
Increase in RSV detection associated with testing additional specimen types, beyond NP swab, for populations with specific sample results available
| Groups by available specimens | N | Count of patients by NP swab positive |
Detection rate with NP swab positive (per 100 patients) |
Count of patients by any listed specimen positive |
Detection rate with any listed specimen positive (per 100 patients) |
Detection rate ratio (any listed/NP swab) |
95% CI of detection rate ratio |
|---|---|---|---|---|---|---|---|
| All subjects | |||||||
| All four specimens | 150 | 5 | 3.33 | 13 | 8.67 | 2.60 | 1.31, 5.17 |
| Three specimens | |||||||
| NP swab/saliva/sputum | 580 | 30 | 5.17 | 49 | 8.45 | 1.63 | 1.31, 2.04 |
| NP swab/saliva/serum | 363 | 8 | 2.20 | 26 | 7.16 | 3.25 | 1.83, 5.78 |
| NP swab/sputum/serum | 154 | 5 | 3.25 | 14 | 9.09 | 2.80 | 1.39, 5.65 |
| Two specimens | |||||||
| NP swab/saliva | 1740 | 55 | 3.16 | 85 | 4.89 | 1.55 | 1.32, 1.81 |
| NP swab/sputum | 606 | 31 | 5.12 | 43 | 7.10 | 1.39 | 1.15, 1.67 |
| NP swab/serum | 367 | 8 | 2.18 | 24 | 6.54 | 3.00 | 1.70, 5.28 |