Table 2.

Correlations (Spearman's) between respiratory viruses and COPD admissions.

Respiratory virus	rs value	Significance ( 2-tailed )
All viruses	0.231*	0.001
Respiratory syncytial virus	0.231*	0.001
Influenza A	0.248*	0.0005
Influenza B	0.145*	0.042
Adenovirus	0.175*	0.014
Parainfluenza 1	−0.002	0.98
Parainfluenza 2	−0.038	0.59
Parainfluenza 3	−0.076	0.29

* Correlation is significant.