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Table 3 Comparison of the incidence densities of HAIs in elderly and non-elderly patients

From: Epidemiological and clinical characteristics of healthcare-associated infection in elderly patients in a large Chinese tertiary hospital: a 3-year surveillance study

Variable

Elderly (≥60 years)

Non-elderly (< 60 years)

RR

95% CI

P

No. of cases

Ventilator/central line/urinary catheter days

Incidence density (per 1000 days)

No. of cases

Ventilator/central line/urinary catheter days

Incidence density (per 1000 days)

VAP

57

15,379

3.7

76

9899

7.7

0.483

0.345–0.676

0.001

CLABSI

90

39,372

2.3

75

32,561

2.3

0.992

0.730–1.348

0.959

CAUTI

170

81,760

2.1

100

62,335

1.6

1.296

1.013–1.658

0.038

  1. CAUTI catheter-associated urinary tract infection, CLABSI central line-associated bloodstream infection, CI confidence interval, RR rate ratio, VAP ventilator-associated pneumonia