Ran (2020)
Risk Factors of Healthcare Workers with Corona Virus Disease 2019: A Retrospective Cohort Study in a Designated Hospital of Wuhan in China
https://doi.org/10.1093/cid/ciaa287
https://www.ncbi.nlm.nih.gov/pubmed/32179890
Patient characteristics
Medical operation and protection (Performed sputum suction vs. Did not perform sputum suction)
SARS COV-2 infection
Relative risk: 0.430 (0.120-1.550) Univariate analysis

China

Retrospective cohort study

Online questionnaire

72

HCWs (>18 years of age) with acute respiratory symptoms in a single-center setting, who worked at the forefront to fight against COVID-19 since it outbroke

Ages ranged from 21 to 66 years with a median (interquartile range, IQR) of 31 (28-40,12). 22 are males and 50 are females

0


SARS COV-2 infection

28

The diagnosis of COVID-19 conformed to Diagnosis and treatment of novel coronavirus pneumonia (Trial Version 3)?? issued by the National Health Commission of the People??s Republic of China. All cases were diagnosed with the test by PCR nucleic acid.


Patient characteristics

Medical operation and protection

Performed sputum suction

Did not perform sputum suction

26

61

Performed sputum suction

2

11


Relative risk

0.430 (0.120-1.550)

No

No

No

Not applicable


None

Average

No