Association of serum Clara cell protein CC16 with respiratory infections and immune response to respiratory pathogens in elite athletes

Table 4 Percentage of positive test results and levels of IgG against respiratory pathogens in healthy controls (HC) and olympic-level athletes

Pathogen	HC	Athletes	P value [χ²test]	HC	Athletes	P value [Mann-Whitney Utest]
Pathogen	Percentage of positive serological tests		P value [χ²test]	median IgG level		P value [Mann-Whitney Utest]
PIV 1,2,3	95.7%	74.7%	<0.0003	99.5 U/ml	32.9 U/ml	<0.0001
RSV	84.4%	68.2%	0.01	39.7 EIU	35.3 EIU	0.25
AdV	72.7%	71.3%	0.93	33.4 EIU	44.2 EIU	0.0005
M. pneumoniae	100%	90.2%	0.01	66.3 EIU	65.2 EIU	0.38

PIV, parainfluenza virus; RSV, respiratory syncytial virus; AdV, adenovirus. Significant P values given in bold print.

ISSN: 1465-993X