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Table 3 Infection rates pre-pandemic, predicted infection rates during pandemic, and observed infection rates during the pandemic

From: Healthcare-associated infections in Dutch hospitals during the COVID-19 pandemic

 

Pre-pandemic [% (95%-CI)]

Predicted [% (95%-CI)]

Pandemic [% (95%-CI)]

HAI prevalence (by PPS)

Total HAI (by PPS)

6.4 (6.0–6.8)

NA

7.4 (6.5–8.3)*

SSIs

2.2 (1.9–2.4)

NA

2.3 (1.9–2.9)

RTIs

1.2 (1.1–1.4)

NA

1.4 (1.1–1.9)

BSIs (primary and secondary)

1.3 (1.1–1.5)

NA

1.4 (1.1–1.9)

UTIs

0.8 (0.7–1.0)

NA

0.8 (0.5–1.2)

Other

0.9 (0.8–1.1)

NA

1.4 (1.1–1.9)*

SSI incidence

Total

2.1 (2.0–2.1)

2.1 (2.0–2.3)

1.8 (1.6–1.9)*

Cardiothoracic surgery

1.7 (1.4–2.1)

1.7 (1.4–2.1)

1.9 (1.2–3.0)

Mamma surgery

3.8 (3.6–4.0)

4.0 (3.4–4.6)

3.4 (2.9–4.0)

Colon surgery

6.3 (6.0–6.6)

6.5 (5.9–7.3)

4.4 (3.9–5.0)*

Orthopaedic surgery

1.1 (1.0–1.1)

1.2 (1.0–1.3)

1.0 (0.9–1.1)

Obstetrics

1.4 (1.2–1.6)

1.4 (1.0–1.9)

1.3 (1.0–1.8)

Neurosurgery

1.0 (0.7–1.4)

0.7 (0.4–1.3)

0.8 (0.4–1.7)

CRBSI incidence

 

1.6 (1.3–2.0)

1.4 (1.0–2.1)

4.0 (3.2–5.0)*

  1. 95%-CI 95% confidence interval, HAI healthcare-associated infection, PPS point prevalence survey, SSI surgical site infection, CRBSI catheter-related bloodstream infection, RTIs respiratory tract infections, BSIs bloodstream infections, UTIs urinary tract infections, NA not applicable
  2. *Statistically significant different from predicted rates