Table 2 The frequency distribution of bacterial isolates from pyogenic odontogenic infection in patients with positive cultures according to HIV sero-status and sex (n = 98)

Facultative anaerobes

Viridans Streptococci group

18 (24.7)

5 (20.0)

12 (25.0)

11 (22.0)

23 (23.5)

Staphylococcus aureus

15 (20.5)

4 (16.0)

8 (16.7)

11 (22.0)

19 (19.4)

Escherichia coli

9 (12.3)

1 (4.0)

6 (12.5)

4 (8.0)

10 (10.2)

Haemophilus influenzae

5 (6.8)

2 (8.0)

2 (4.2)

5 (10.0)

7 (7.1)

Staphylococcus epidermidis

2 (2.7)

2 (8.0)

2 (4.2)

2 (4.0)

4 (4.1)

Klebsiella pneumoniae

3 (4.1)

1 (4.0)

2 (4.2)

2 (4.0)

4 (4.1)

Enterococcus species

2 (2.7)

1 (4.0)

1 (2.1)

2 (4.0)

3 (3.1)

Streptococcus pneumoniae

1 (1.4)

2 (8.0)

1 (2.1)

2 (4.0)

3 (3.1)

Streptococcus aggalactiae

2 (2.7)

1 (2.1)

1 (2.0)

2 (2.0)

Proteus mirabilis

1 (1.4)

1 (4.0)

2 (4.0)

2 (2.0)

Streptococcus pyogenes

1 (1.4)

1 (2.1)

1 (1.0)

Corynebacterium spp

1 (1.4)

1 (2.0)

1 (1.0)

Staphylococcus pasteuri

1 (4.0)

1 (2.0)

1 (1.0)

Citrobacter freundii

1 (1.4)

1 (2.0)

1 (1.0)

Strict anaerobes

Anaerobic bacilli

9 (12.3)

3 (12.0)

9 (18.8)

3 (6.3)

12 (12.2)

Anaerobic cocci

1 (1.4)

2 (8.0)

3 (6.3)

3 (3.1)

Anaerobic Streptococci

1 (1.4)

1 (2.0)

1 (1.0)

Aerobes

Mycobacterium species

1 (1.4)

1 (2.0)

1 (1.0)

Total

73 (74.5)

25 (25.5)

48 (49.0)

50 (51.0)

98 (100.0)