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Table 2 Results of univariable and multivariable Cox regression analysis regarding development of HAI in ICU patients

From: Healthcare‑associated infections in intensive care unit patients with and without COVID-19: a single center prospective surveillance study

Variable

Univariable analysis

 

Multivariable analysis

 

HR (95% CI)

p

aHR (95% CI)

p

Age (per year)

0.98 (0.96–0.99)

0.02

0.99 (0.99–1.01)

0.07

Male sex (compared to female)

1.32 (0.71–2.46)

0.40

NA

 

SAPS II (per point)

0.99 (0.97–1.01)

0.20

NA

 

MV (compared to no MV)

2.09 (0.8–5.41)

0.10

1.73 (0.65–4.61)

0.27

COVID-19 (compared to

non-COVID-19)

2.36 (1.38–4.07)

0.002

1.87 (1.01–3.47)

0.045

COVID-19 density* (per percent)

1.01 (0.99–1.02)

0.10

1.00 (0.99–1.01)

0.75

  1. HAI, health-care associated infections; ICU, Intensive Care Unit; HR, hazard ratio; aHR, adjusted hazard ratio; SAPS II, Simplified Acute Physiology Score II; MV, Mechanical Ventilation; NA, Not Applicable
  2. *defined as weekly percentage of COVID-19 patients among all ICU patients (time-dependent variable)
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Antimicrobial Resistance & Infection Control

ISSN: 2047-2994

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