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Table 4 Multivariable logistic regression analysis of definite nosocomial SARS-CoV-2 cases with matched controls (n = 76) and their respective controls (n = 76) for the outcome nosocomial SARS-CoV-2 acquisition

From: Risk factors for nosocomial SARS-CoV-2 infections in patients: results from a retrospective matched case–control study in a tertiary care university center

Parameter

Odds ratio (CI95)

p value

Present at a ward with a SARS-CoV-2 outbreak reported to authorities during the stay or up to 14 days later (yes vs. no)

15.89 (2.51–100.77)

0.003

Documented contact to a (suspected) SARS-CoV-2 case during the relevant timeframe (yes vs. no)

23.35 (4.63–117.72)

 < 0.001

  1. Nosocomial SARS-CoV-2 cases, where the first positive SARS-CoV-2 test was from a sample taken more than 10 days after hospital admission, were considered definite nosocomial cases