Table 4.

Diagnoses of the non-infected patients (n = 67)

Diagnosis	Number of patients
Central nervous system disease	5
Cardiovascular disease	10
Respiratory disease	33a
Gastroenterological disease	2
Hematological disease	2
Malignant disease	4
Rheumatological disease	8
Renal disease	1
Dehydration	2

^aChronic obstructive pulmonary disease (n = 22).