TABLE 2

Viral infections during AECOPD stratified by the presence of a URTI in the previous 21 days before the AECOPD

AECOPD following URTIAECOPD independent of URTIp-value
Events n56121
Any viral infection24 (44.6)44 (36.4)0.206
Adenovirus0 (0.0)0 (0.0)
Bocavirus0 (0.0)0 (0.0)
Coronavirus5 (8.9)10 (8.3)0.811
Influenza3 (5.4)9 (7.4)0.631
Metapneumovirus2 (3.6)4 (3.3)0.928
Parainfluenza4 (7.1)1 (0.8)0.054
RSV3 (5.4)3 (2.5)0.341
Rhino/enterovirus7 (12.5)18 (14.9)0.851

Data are presented as n (%). Mixed logistic regression models were used to consider the effect of a patient having more than one visit. AECOPD: acute exacerbation of chronic obstructive pulmonary disease; URTI: upper respiratory tract infection; RSV: respiratory syncytial virus.