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Table 3 Cumulative identification and incidence of potential pathogenic microorganisms (PPM) cultured from COPD patients £

From: Importance of Aspergillus spp. isolation in Acute exacerbations of severe COPD: prevalence, factors and follow-up: the FUNGI-COPD study

 

No Aspergillusspp. isolation

Aspergillusspp. isolation

Total

p-value

Sputum samples

170

28

198

 

Samples with PPM § cultures

66 (38.8)

20 (71.4)

86 (43)

0.024

Haemophilus influenzae

13 (7.6)

5 (17.8)

18 (9.1)

0.246

Streptococcus pneumoniae

11 (6.4)

2 (7,1)

13 (6.6)

0.626

Staphylococcus aureus

9 (5.3)

3 (10.7)

12 (6.1)

0.372

Moraxella catarrhalis

9 (5.3)

1 (3.6)

9 (5.1)

0.564

Enterobacter spp.

3 (1.8)

1 (3.6)

4 (2.0)

0.632

Klebsiella pneumoniae

2 (1.2)

-

2 (1.1)

-

Escherichia coli

4 (2.3)

-

4 (2.0)

-

Serratia marcescens

2 (1.2)

-

2 (1.1)

-

Pseudomonas aeruginosa

14 (8.2)

9 (32.1)

23 (11.6)

0.042

Stenotrophomonas maltophilia

2 (1.1)

-

2 (1.1)

-

Aspergillus fumigatus

-

25 (89.3)

25 (12.6)

-

Aspergillus spp.*

-

3 (10.7)

3 (1.5)

-

Samples with non-PPM # cultures

104 (61.2)

8 (28.6)

112 (56.6)

0.063

Haemophilus parainfluenzae

14 (8.2)

2 (7.1)

16 (8.1)

0.674

Streptococcus viridans

41 (24.1)

2 (7.1)

43 (21.7)

0.135

Staphylococcus epidermidis

14 (8.2)

-

14 (7.1)

-

Corynebacterium spp.

8 (4.7)

-

8 (4.0)

-

Neisseria spp.

6 (3.5)

-

6 (3.0)

-

Mixed upper airways flora

21 (12.3)

4 (14.3)

25 (12.6)

0.78

  1. £All comparisons have been calculated in valid sputum samples obtained in each group. *Aspergillus spp.: Aspergillus niger (2), Aspergillus flavus (1);§PPM, Pathogenic microorganisms; #non-PPM, Non-pathogenic microorganisms.