Table 1

Occupational exposure outcomes by source type

OutcomeExposures to patient sources
(967)
Exposures to coworker sources
(1286)
P value
Exposure incident risk level<0.0001
Medium-risk exposure incidents478 (49.4%)240 (18.7%)
High-risk exposure incidents489 (50.6%)1046 (81.3%)
HCP postexposure PCR results<0.0001
Positive21 (2.2%)80 (6.2%)
Negative946 (97.8%)1206 (93.8%)
No of HCP sustaining medium or high-risk exposure per source individual—mean (95% CI)3.43 (2.6 to 4.2)2.19 (2.01 to 2.4)<0.0001
No of HCP with a positive post exposure SARS-CoV-2 test, per exposure incident—mean (95% CI)0.07 (0.04 to 0.11)0.14 (0.1 to 0.17)<0.0001
  • Unpaired Student's t-test for continuous variables and χ2 test for categorical variables.

  • HCP, healthcare personnel; SARS-CoV-2, severe acute respiratory syndrome coronavirus 2.