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Table 1 Characteristics of mucoid and non-mucoid A. baumannii isolates and summary of results

From: Rapid identification of capsulated Acinetobacter baumannii using a density-dependent gradient test

 

Sample

Origin

Clonal complex1

Density-dependent gradient2

Total carbohydrates (μg/mL)

Capsule thickness (nm)3

Non-mucoid4

AB01

Sputum

ST3

Non-capsulated7

44.0 ± 1.67

–

AB02

Blood

ST3

Non-capsulated

35.3 ± 0.79

–

AB03*

Blood

ST2

Non-capsulated

53.7 ± 2.45

–

AB04

Rectal

ST3

Non-capsulated

74.8 ± 2.27

–

AB05

Skin

ST3

Non-capsulated

83.7 ± 2.11

–

AB06

Blood

N/D5

Non-capsulated

66.5 ± 1.39

–

AB07

Blood

N/D

Non-capsulated

84.5 ± 2.24

–

AB08

Blood

ST2

Non-capsulated

75.9 ± 1.24

–

AB09

Sputum

ST3

Non-capsulated

39.0 ± 10.81

–

AB10*

Blood

N/D

Non-capsulated

43.1 ± 2.20

–

AB11

Sputum

ST3

Non-capsulated

54.8 ± 2.02

0

AB12

Blood

ST2

Non-capsulated

55.2 ± 1.56

–

AB13

Blood

N/D

Non-capsulated

64.5 ± 2.01

–

AB14

Rectal

ST2

Non-capsulated

63.6 ± 1.78

–

AB15

Skin

ST2

Non-capsulated

84.4 ± 2.54

–

AB16

Blood

ST2

Non-capsulated

72.3 ± 1.56

–

AB17

Blood

ST3

Non-capsulated

64.4 ± 2.27

–

AB18

Blood

N/D

Non-capsulated

45.0 ± 1.56

–

AB19

Pus

ST2

Non-capsulated

56.6 ± 1.65

–

AB20

Blood

ST3

Non-capsulated

65.4 ± 2.43

–

AB21

Blood

N/D

Non-capsulated

28.0 ± 4.15

–

AB22

Skin

ST2

Non-capsulated

49.1 ± 1.79

–

AB23

Wound

ST2

Non-capsulated

51.5 ± 1.59

–

AB24

Sputum

ST3

Capsulated

254.3 ± 5.65

–

AB25

Sputum

ST3

Capsulated

262.2 ± 12.2

–

AB26

Blood

ST3

Capsulated

257.8 ± 5.48

–

ATCC 19606*

Urine

ST52

Non-capsulated

34.5 ± 1.66

0

Mucoid4

AB27

Skin

ST3

Capsulated

212.8 ± 8.77

–

AB28

Skin

ST3

Capsulated

426.5 ± 6.39

–

AB29*

Blood

ST3

Capsulated

356.4 ± 4.61

–

AB30

Wound

ST3

Capsulated

351.2 ± 5.44

–

AB31

Blood

ST3

Capsulated

191.4 ± 6.14

–

AB32

Sputum

ST3

Capsulated

240.0 ± 14.97

–

AB33

Skin

ST3

Capsulated

412.0 ± 9.25

–

AB34*

Skin

ST3

Capsulated

356.8 ± 7.85

92 ± 8

AB35

Blood

ST3

Capsulated

317.3 ± 8.51

–

AB36

Rectal

ST3

Capsulated

286.7 ± 8.98

–

AB37

Rectal

ST3

Capsulated

290.6 ± 9.44

–

AB38

Blood

ST3

Capsulated

166.7 ± 7.59

–

AB39

Blood

ST3

Capsulated

275.2 ± 6.66

–

AB40

Sputum

ST2

Capsulated

319.4 ± 9.78

–

AB41

Blood

ST3

Capsulated

132.9 ± 7.32

–

AB42

Skin

ST3

Capsulated

338.4 ± 11.11

–

AB43

Blood

ST3

Capsulated

247.4 ± 7.40

122 ± 6

AB44

Blood

ST3

Capsulated

261.0 ± 5.58

92 ± 13

AB45*

Blood

N/D

Capsulated

207.7 ± 5.39

–

AB46

Blood

ST3

Capsulated

364.7 ± 16.48

–

AB47

Wound

ST3

Capsulated

316.6 ± 8.47

–

AB48*

Blood

ST3

Capsulated

174.9 ± 40.31

–

AB49

Wound

N/D

Capsulated

157.6 ± 6.37

–

AB50

Tracheal aspirate

N/D

Capsulated

226.5 ± 17.51

–

AB51

Tracheal aspirate

N/D

Capsulated

254.1 ± 9.04

–

AB52

Tracheal aspirate

N/D

Capsulated

182.2 ± 9.45

–

AB53

Sputum

ST3

Capsulated

264.2 ± 13.25

–

AB54

Sputum

ST3

Capsulated

353.4 ± 15.07

–

AB55

BAL6

N/D

Capsulated

132.3 ± 12.64

–

AB56

Sputum

N/D

Capsulated

118.5 ± 16.17

–

AB57

Sputum

N/D

Capsulated

130.7 ± 10.01

–

CAP-AB*

Blood

ST3

Capsulated

290.6 ± 9.53

96 ± 11

HM-KP*

Liver Abscess

K1

Capsulated

–

–

  1. 1Pasteur scheme; 2Length of migration: thin or non-capsulated if > 16 mm, suspected as capsulated if 0–16 mm; 3Determined by TEM; 4Determined by visual observation; 5Not determined; 6Bronchoalveolar lavage; 7Non-capsulated refers to an isolate with a thin capsule or no capsule; *Isolates used for validation of the density-dependent gradient test