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Table 3 Microbiological outcomes

From: Combination antibiotic therapy versus monotherapy in the treatment of acute exacerbations of chronic obstructive pulmonary disease: an open-label randomized trial

End Point

No. success (%)

Monotherapy (n = 79)

Combination therapy (n = 60)

P-value

Overall success, no. (%)

128 (92.1)

70 (88.6)

58 (96.7)

0.11

Success per pathogen

 Streptococcus pneumoniae (n = 50)

48

31/32 (96.9)

17/18 (94.4)

1

 Haemophilus influenzae (n = 29)

27

20/21 (95.2)

7/8 (87.5)

0.48

 Pseudomonas aeruginosa (n = 18)

16

1/3 (33.3)

15/15 (100)

0.01

 Acinetobacter baumanii (n = 12)

8

1/5 (20.0)

7/7 (100)

0.01

 Stenotrophomonas maltophilia (n = 10)

9

5/6 (100)

4/4 (100)

1

 Staphylococcus aureus (n = 8)

8

4/4 (100)

4/4 (100)

1

 Escherichia coli (n = 6)

6

4/4 (100)

2/2 (100)

1

 Moraxella catarrhalis (n = 6)

6

4/4 (100)

2/2 (100)

1

  1. A potential pathogen was identified in 128 exacerbations