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Table 1 Antimicrobial susceptibility of Gram-negative bacteria isolated from patients with healthcare-associated meningitis from 2004 to 2019 (n = 383)

From: Clinical characteristics and antimicrobial therapy of healthcare-associated carbapenem-non-susceptible gram-negative bacterial meningitis: a 16-year retrospective cohort study

 

Klebsiella spp.a

Other Enterobacteralesb

Acinetobacter spp.c

Pseudomonas aeruginosa

Stenotrophomonas maltophilia

Othersd

Antimicrobials

(n = 106)

(n = 39)

(n = 170)

(n = 37)

(n = 19)

(n = 12)

S (%)

R (%)

S (%)

R (%)

S (%)

R (%)

S (%)

R (%)

S (%)

R (%)

S (%)

R (%)

Piperacillin

7.5

90.6

23.1

76.9

11.2

75.9

54.1

13.5

NA

NA

58.3

33.3

Piperacillin-tazobactam

40.6

58.5

84.6

15.4

22.4

65.9

62.2

8.1

NA

NA

58.3

41.7

Cefotaxime

13.2

86.8

25.6

74.4

10.6

77.6

NA

NA

NA

NA

8.3

50.0

Ceftazidime

20.8

73.6

51.3

48.7

21.2

78.2

62.2

37.8

31.6

52.6

16.7

75.0

Cefepime

35.8

55.7

46.2

35.9

24.1

57.1

73.0

13.5

NA

NA

8.3

83.3

Cefoperazone-sulbactam

28.3

55.7

64.1

23.1

35.3

22.9

62.2

16.2

73.7

21.1

58.3

33.3

Imipenem

50.9

43.4

94.9

5.1

40.6

50.0

48.6

24.3

NA

NA

33.3

66.7

Meropenem

51.9

42.5

97.4

2.6

42.9

50.6

37.8

27.0

NA

NA

16.7

66.7

Amikacin

49.1

50.9

76.9

23.1

26.5

72.9

78.4

21.6

NA

NA

16.7

66.7

Minocycline

59.4

24.5

48.7

33.3

48.8

25.3

NA

NA

84.2

5.3

100.0

0.0

Ciprofloxacin

28.3

67.0

43.6

56.4

15.9

81.8

62.2

37.8

NA

NA

8.3

75.0

SXT

56.6

43.4

46.2

53.8

37.1

62.9

NA

NA

73.7

26.3

75.0

25.0

Fosfomycin

67.0

31.1

76.9

23.1

NA

NA

NA

NA

NA

NA

NA

NA

Tigecycline

95.3

2.8

84.6

15.4

52.4

22.4

NA

NA

68.4

21.1

41.7

41.7

  1. Abbreviations: S Susceptible, R Resistant, NA Not applicable, SXT Trimethoprim-sulfamethoxazole
  2. a Klebsiella spp.: Klebsiella pneumoniae (n = 98), K. oxytoca (n = 4), and K. aerogenes (n = 4)
  3. bOther Enterobacterales: Escherichia coli (n = 19), Enterobacter cloacae (n = 13), Serratia marcescens (n = 3), Proteus mirabilis (n = 2), Citrobacter freundii (n = 1), and Pantoea agglomerans (n = 1)
  4. c Acinetobacter spp.: Acinetobacter baumannii complex (n = 147), A. lwoffii (n = 21), and A. junii (n = 2)
  5. dOthers: Chryseobacterium indologenes (n = 4), Elizabethkingia meningoseptica (n = 3), Brevundimonas diminuta (n = 2), Alcaligenes xylosoxidans (n = 1), Pseudomonas putida (n = 1), and P. stutzeri (n = 1)