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Table 2 Clinical characteristics of PBB in China

From: Update on protracted bacterial bronchitis in children

Author

Li [6]

Li [7]

Chen [8]

Shi [9]

Gao [10]

Chi [11]

Shun [12]

Year

2018

2017

2016

2016

2016

2015

2014

Number

50

30

31

31

20

28

28

M(F)

36 (14)

18 (12)

18 (13)

17 (14)

26 (2)

17 (11)

Age

3.2y

(5 m-14y)

14.5 m

(7-49 m)

<3y

2 m-14y

8.5 m

6-75 m

Course

2 m

9.7w

(5.7–7.1w)

2 m

4-11w

>4w

4.2w

>4w

Antibiotic used

20

11

21

Bronchoscopy

50

30

31

31

0

28

8

Bacteria

 Spn

14 (28%)

12 (40%)

6 (19.4%)

16 (51.6%)

2 (10%)

5 (17.9%)

8 (28.6%)

 Hi

5 (10%)

10 (33.3%)

7 (22.6%)

3 (9.7%)

3 (15%)

3 (10.7%)

10 (35.7%)

 Mcat

4 (8%)

7 (23.3%)

3 (9.7%)

6 (21.4%)

 Sa

4 (8%)

2 (6.5%)

 Kpn

2 (6.5%)

 Eco

1 (3.2%)

1 (3.6%)

 Pae

3 (9.7%)

 Eae

1 (3.6%)

Comorbidities

 Wheeze

30 (60%)

22 (73.3%)

17 (54.8%)

25 (80.6%)

20 (100%)

21 (75%)

 Rhinitis

1 (3.2%)

    

 Sinusitis

14 (28%)

16 (53.3%)

9 (29%)

 Airway stenosis

6 (12%)

5 (6%)

5 (16.1%)

2 (6.4%)

 Tracheobronchial malacia

5 (10%)

5 (6%)

4 (12.9%)

3 (9.6%)

11 (39.2%)

4 (14.2%)

Treatment

 Antibiotic

Amo /Cep /Azi

Amo

Amo /Cep /Azi/Car/Tei/Lin

Amo

Amo /Cep

Amo /Cep /Azi

 Duration

2-4w

 

>2w

4-6w

2w

17.3 + 3.2d

2w

 Follow up

1y

1y

2 m-2y

0.5y

2w

Effects

 Remission

33

23

28

 Improve

15

20

8

31

20

28

 Relapse

2

Complication

1*

  1. Values are expressed as n (%). M: male; F: female. Spn: Streptococcus pneumonia; Hi: Haemophilus influenza; Mcat: Moraxella catarrhalis; Sa: Staphylococcus aureus; Kpn: Klebsiella pneumonia; Eco: Escherichia coli; Pae: Pseudomonas aeruginosa; Eae: Enterobacter aerogenes. Amo:Amoxicillin-clavulanate; Cep: cephalosporin antibiotics; Azi: Azithromycin; Car: Carbapenems; Tei: Teicoplanin; Lin: linezolid. * bronchiectasia.