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Table 3 The relative risk of factors associated with CPE-positive admission screening during the study period after the initiation of screening program (September 2018-December 2020)

From: The impact of enhanced screening for carbapenemase-producing Enterobacterales in an acute care hospital in South Korea

 

Proportion of CPE positive screening (%)

RR (95% CI, P-value)

aRR (95% CI, P-value)

Previous colonization/infection

No

90 (0.6)

  

Yes

39 (31.7)

53.30 (38.36–74.07, P < 0.001)

37.25 (25.68–54.04, P < 0.001)

Transfer from acute care hospitals

No

108 (0.9)

  

Yes

21 (1.3)

1.52 (0.95–2.42, P = 0.078)

3.09 (1.93–4.95, P < 0.001)

Transfer from long-term care facilities

No

107 (0.8)

  

Yes

22 (1.8)

2.15 (1.36–3.39, P = 0.001)

1.66 (1.05–2.61, P = 0.029)

Previous hospitalization within 6 months

No

29 (0.5)

  

Yes

100 (1.2)

2.53 (1.67–3.82, P < 0.001)

2.30 (1.44–3.68, P = 0.001)

Receipt of hemodialysis

No

109 (0.8)

  

Yes

20 (2.6)

3.18 (1.98–5.09, P < 0.001)

1.68 (1.09–2.60, P = 0.020)

  1. Abbreviations: CI, confidence interval; CPE, carbapenemase-producing Enterobacterales; RR, relative risk; aRR, adjusted relative risk
  2. Footnote: 1Adjusted for risk factors above, age and sex