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Table 4 Phenotypic characteristics of Acinetobacter isolates association with clinical factors

From: Characteristics of invasive Acinetobacter species isolates recovered in a pediatric academic center

 

Biofilm-forming (n = 17)

Non-biofilm-forming (n = 7)

P value

Swarming motility (n = 16)

Non-swarming motility (n = 8)

P value

Twitching motility (n = 14)

Non-twitching motility (n = 10)

P value

Age (years)

4.0 (0.4–11.5)

3.0 (2.0–19.0)

0.84

4.5 (1.0–16.8)

3.5 (0.9–4.0)

0.37

3.5 (0.6–17.5)

3.5 (1.5–6.3)

0.57

Central line infection

64.7 %

85.7 %

0.38

68.8 %

66.7 %

0.99

71.4 %

70.0 %

0.99

Bacteremia at 48 h

17.6 %

0.0 %

0.53

12.5 %

12.5 %

0.99

14.3 %

10.0 %

0.99

MDR

5.9 %

42.9 %

0.027

18.8 %

12.5 %

0.80

21.4 %

10.0 %

0.48

ICU

35.3 %

28.6 %

0.76

37.5 %

25.0 %

0.56

42.9 %

20.0 %

0.26

Abx in past 30 days

47.1 %

28.6 %

0.43

37.5 %

50.0 %

0.67

42.9 %

40.0 %

0.99

Immuno-suppressant

29.4 %

71.4 %

0.06

43.8 %

37.5 %

0.78

42.9 %

40.0 %

0.99

Length of stay (days)

17.0 (4.5–80.0)

5.0 (3.0–20.0)

0.21 0.99

18.5 (4.3–63.3)

5.0 (3.3–35)

0.32

11.0 (3.0–97.5)

10.5 (4.5–27.3)

0.92

SHS exposure

23.5 %

28.6 %

0.99

34.1 %

53.5 %

0.13

28.6 %

20.0 %

0.99

GER

35.3 %

28.6 %

 

43.8 %

12.5 %

0.14

35.7 %

30.0 %

0.99

  1. Data are expressed as a percentage of cases with medians and ranges
  2. Abx antibiotic use in 30 days prior to infection; GER gastroesophageal reflux; ICU Intensive care unit care required; MDR multi-drug resistance with isolates non-susceptible to ≥ 1 antimicrobial agent in ≥ 3 antimicrobial categories; SHS secondhand smoke