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Table 1 Demographic and clinical characteristics of CRAB positive patients from Dec. 1, 2022 to Apr. 30, 2023

From: Investigation of an outbreak of carbapenem resistant Acinetobacter baumannii in an intensive care unit during the COVID-19 epidemic

Variable

No. of patients (%)

n = 37

Age (years), mean ± SD

70.0 ± 13.3

Male %

27 (73.0)

SARS-CoV-2 nucleic acid test positive

19 (51.4)

Diagnoses upon admission

 Pneumonia

18 (48.7)

 Cerebral hemorrhage

6 (16.2)

 Esophageal malignancy

3 (8.1)

 Sepsis

3 (8.1)

 Chronic renal failure

1 (2.7)

 Hydrocephalus

1 (2.7)

 Mediastinal infection

1 (2.7)

 Myasthenia gravis

1 (2.7)

 Pulmonary fungal infection

1 (2.7)

 Urinary tract infection

1 (2.7)

Site of isolatetes (n = 57)

 Sputum

32 (56.1)

 BALF

16 (28.1)

 Blood

2 (3.5)

 Catheter head

1 (1.8)

 Lung tissue

1 (1.8)

 Secretion

1 (1.8)

 Ascites

1 (1.8)

 Hydrothorax

1 (1.8)

 Drainage

1 (1.8)

 Urine

1 (1.8)

Device

 Urinary catheter

37 (100.0)

 Central venous catheter

35 (94.6)

 Bronchoscopy

35 (94.6)

 Endotracheal tube

30 (81.1)

 Surgery

14 (37.8)

 CRRT

12 (32.4)

 Pleural drainage

6 (16.2)

Received bronchoscopy before first detecting CRAB

18 (48.7)

Total hospitalization (days) M(P25, P75)

25.0(18.5, 43.0)

Total ICU stay (days) M(P25, P75)

20.0(16.0, 32.5)

Pattern of CRAB acquisition

 ICU-acquired colonization

20 (54.1)

 Non ICU-acquired colonization

1 (2.7)

 ICU-acquired infection

14(37.8)

 Non ICU-acquired infection

2(5.4)

Types of ICU-acquired infections (n = 14)

 VAP

7 (50.0)

 HAP

4 (28.6)

 CLABSI

1 (7.1)

 Bacteremia

1 (7.1)

 Systemic infection

1 (7.1)

Outcome

 In-hospital mortality

9 (24.3)

  1. CRAB: Carbapenem-resistant Acinetobacter baumannii
  2. BALF: Bronchoalveolar lavage fluid
  3. CRRT: Continuous renal replacement therapy
  4. VAP: Ventilator associated pneumnia
  5. HAP: Hospital acquired pneumonia
  6. CLABSI: Central line associated-bloodstream infection