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Table 4 Multivariable competing risk Fine-Gray regression models for first healthcare-associated infection (HAI, Model 3) or first device-related healthcare-associated infection (dr-HAI, Model 4) among the patients admitted to the main intensive care unit of Umberto I teaching hospital of Rome between 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 3)

dr-HAI (model 4)

SHR (95% CI)

p value

SHR (95% CI)

p value

COVID-19 (yes)

1.21 (0.48–3.08)

0.683

2.35 (0.85–6.45)

0.099

Sex (female)

0.86 (0.36–2.05)

0.730

0.80 (0.29–2.17)

0.660

Age (years)

0.98 (0.96–1.00)

0.068

0.96 (0.94–0.99)

0.007

Hypertension (yes)

2.04 (0.91–4.57)

0.082

1.65 (0.70–3.92)

0.255

Diabetes mellitus (yes)

1.41 (0.48–4.12)

0.529

1.16 (0.31–4.33)

0.826

Mechanical ventilation (days)

0.71 (0.57–0.88)

0.002

0.97 (0.91–1.03)

0.262

 Mechanical ventilation*time

1.02 (1.01–1.04)

0.009

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