Table 2.

Patients’ comorbidity. N number of patients affected by the disease before the diagnosis of COVID-19. These diseases are known to be associated with poor prognosis in SARS-CoV-2 infection. Each patient was diagnosed as being affected by at least one of these conditions

Disease	N
Hypertension	25
Diabetes mellitus	8
Ischemic heart disease	6
Active smoking	5
Chronic obstructive pulmonary disease	4
Malignancy	4
Obstructive sleep apnea syndrome	2