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. 2021 Feb 25;9(3):488. doi: 10.3390/microorganisms9030488

Table 1.

Characteristics of study participants (n = 1893).

Characteristic
Age, mean (std) 44 (10.7)
Female, n (%) 1459 (77.1)
Professional category, n (%)
Physicians 411 (21.7)
Nurses a 818 (43.2)
Support staff 272 (14.3)
Lab technician/Other technicians 24 (1.3)
Psychologist. healthcare assistant 20 (1.1)
Other health personnel b 216 (11.4)
Pharmacists. employees 132 (7)
Working in a COVID-19 unit/ER, n (%) 1008 (53.2)
Comorbidities c, n (%) 613 (32.4)
Pregnancy, n (%) 22 (1.2)
Underlying immunosuppression, n (%) 45 (2.4)
Close contact with confirmed COVID-19 case, n (%) 1098 (58)
Close contact with suspected COVID-19 case, n (%) 736 (38.9)
Reporting COVID-19 compatible symptoms, n (%) 922 (48.7)
Previously diagnosed with positive SARS-CoV-2 rt-PCR, n (%) 290 (22.4) d
Hospitalization among symptomatic subject, n (%) 24/922 (2.6)
Medical ward 20/922 (2.2)
ICU 4/922 (0.4)
Radiologic evidence of viral pneumonia, n (%) 48/112 e (42.9)
Oxygen therapy, n (%) 28/922 (3)

a included obstetricians. scrub nurse. b included speech and physical therapist. biologists and microbiologists. c comorbidities include: obesity, cancer, diabetes, heart and liver disease, hypertension, chronic respiratory and renal disease, neurologic impairment, hematologic diseases, and other autoimmune/immunological disorders. d 290 out of 1294 test performed. e confirmed pneumonia among X-ray or CT scan performed.