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Table 3 Multivariable competing risk Fine-Gray regression models for first healthcare-associated infection (HAI, Model 1) or first device-related healthcare-associated infection (first dr-HAI, Model 2) among the patients admitted to the main Intensive Care Unit (ICU) of Umberto I teaching hospital of Rome between 1st March and 4th April 2019 and 1st March and 4th April 2020

From: The impact of the COVID-19 pandemic on healthcare-associated infections in intensive care unit patients: a retrospective cohort study

 

HAI (model 1)

dr-HAI (model 2)

SHR (95% CI)

p value

SHR (95% CI)

p value

Year of admission to the ICU (2020)

2.66 (1.31–5.38)

0.007

10.0 (1.84–54.41)

0.008

Sex (female)

0.93 (0.47–1.85)

0.835

0.77 (0.30–1.99)

0.585

Age (years)

0.97 (0.96–0.99)

0.006

0.97 (0.94–0.99)

0.016

Hypertension (yes)

2.83 (1.37–5.82)

0.005

1.63 (0.73–3.61)

0.184

Diabetes mellitus (yes)

1.88 (0.76–4.64)

0.169

1.51 (0.43–5.29)

0.522

Mechanical ventilation (days)

0.89 (0.84–0.94)

< 0.001

0.78 (0.65–0.93)

0.006

 Mechanical ventilation*time

1.00 (1.002–1.006)

< 0.001

1.01 (1.003–1.025)

0.007

  1. SHR sub-distribution hazard ratio, CI confidence interval, * interaction term