Table 2: Organisms cultured in complex parapneumonic effusions and empyema.

Organism

Number cultured

Streptococcus intermedius

4

Staphylococcus aureus

3

Mixed anaerobic flora

3

Parvimonas micra

2

Streptococcus anginosus

2

Streptococcus pneumonia

2

Actinomyces meyeri

1

Bacteroides fragilis group

1

Escherichia coli

1

Fusobacterium

1

Haemophilus parainfluenzae

1

Mixed aerobic flora

1

Mycobacterium tuberculosis

1

Prevotella buccae

1

Staphylococcus capitis

1

Streptococcus constellatus

1

Streptococcus milleri

1

Streptococcus sanguinis

1

Veillonella

1

Organisms cultured in CPE and empyema, excluding contaminants.