Table 3.

Virus-Associated Illness With Upper Respiratory Tract Infection Symptomatology in Control and Chronic Obstructive Pulmonary Disease (COPD) Groups

	Control Subjects	COPD Subjects
Clinical syndrome
Rhinitis	75/185 (40%)	43/181 (24%)
Pharyngitis	62/159 (39%)	35/113 (31%)
Laryngitis	35/69 (51%)	15/47 (32%)
Clinical syndrome with picornavirus infection
Rhinitis	22/24 (92%)	10/13 (77%)
Pharyngitis	18/24 (75%)	10/13 (77%)
Laryngitis	9/24 (38%)	5/13 (38%)

Data from Greenberg et al, unpublished results.