Table 1.

General characteristics of the cohort included in the study.

Age
18–30	21
31–50	56
51–62	13
Gender
Male	22
Female	68
Comorbiditiesa
Present	24
Absent	66
Prior infection
Yes	11
No	79

^aAsthma, chronic rhinitis, chronic sinusitis, diabetes, dyslipidemia, hyperthyroidism, hypothyroidism, obesity, systemic arterial hypertension, tobacco smoker.