Table 3.
PCR results by sample type (all seasons combined) for subjects with illness visits
| Nasal swab | Sputum | P value* | |||
|---|---|---|---|---|---|
| Virus | no.+/no tested (%) | no.+/no tested (%) | P value* | Total positive by either site/no. tested (%) | No. sputum only+/total detections (%) |
| RSV | 16/976 (1.6) | 31/674 (4.6) | 0.0005 | 32/986 (3.2) | 16/32 (50.0) |
| Influenza A | 18/976 (1.8) | 26/662 (3.9) | 0.0125 | 33/986 (3.3) | 15/33 (45.5) |
| Parainfluenza (any) | 24/976 (2.5) | 26/662 (3.9) | >0.1 | 38/986 (3.9) | 14/38 (36.8) |
| HMPV | 15/976 (1.5) | 14/662 (2.1) | >0.1 | 17/986 (1.7) | 2/17 (11.8) |
| Influenza B | 12/976 (1.2) | 14/662 (2.1) | >0.1 | 19/986 (1.9) | 7/19 (36.8) |
| Adenovirus | 4/976 (0.4) | 5/662 (0.8) | >0.1 | 8/986 (0.8) | 4/8 (50.0) |
| Coronavirus (any) | 52/976 (5.3) | 50/662 (7.6) | 0.0764 | 75/986 (7.6) | 23/75 (30.7) |
| Rhinovirus | 142/976 (14.5) | 132/662 (19.9) | 0.0046 | 186/986 (18.9) | 44/186 (23.7) |
Abbreviation: PCR, polymerase chain reaction.
*
Comparison of swab versus sputum yield.
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