Table 5.
Percentage of positive test results and levels of IgG against respiratory pathogens in athletes with and without frequent upper respiratory tract infections (URTIs)
| Pathogen |
Athletes with frequent URTIs |
Athletes without frequent URTIs |
P value [χ2 test] |
Athletes with frequent URTIs |
Athletes without frequent URTIs |
P value [Mann-Whitney U test] |
|---|---|---|---|---|---|---|
| Percentage of positive serological tests | Median IgG level | |||||
| PIV 1,2,3 |
47.2% |
52.6% |
0.70 |
25.4 U/ml |
33.0 U/ml |
0.17 |
| RSV |
71.8% |
67.5% |
0.75 |
32.8 EIU |
35.3 EIU |
0.66 |
| AdV |
66.7% |
72.7% |
0.58 |
43.9 EIU |
44.3 EIU |
0.66 |
| M. pneumoniae | 92.3% | 90.9% | 0.96 | 64.3 EIU | 65.7 EIU | 0.64 |
PIV, parainfluenza virus; RSV, respiratory syncytial virus; AdV, adenovirus.