Table 2

Species and frequency rates at T0, T1 and T2 in a sample investigated (n = 50)

Species

T0

T1

T2

X2

P*


Candida albicans

30% (15/50)

38% (19/50)

20% (10/50)

3,924

0,141

Staphylococcus aureus- stock a

74% (37/50)

68% (34/50)

44% (22/50)

10,696

0.005*

Staphylococcus aureus- stock b

16% (8/50)

16% (8/50)

4% (2/50)

4,545

0,103

Branhamella catarrhalis

10% (5/50)

0

0

10,345

0,006*

Neisseria meningitidis

0

0

0

-

-

Klebsiella pneumoniae

10% (5/50)

0

0

10,345

0,006*

Haemophilus

0

0

0

-

-

Diplococcus pneumoniae

0

0

0

-

-

Streptococcus pyogenes

10% (5/50)

10% (5/50)

0

5,357

0,069


*by means of Chi-Square test

Cazzolla et al. BMC Oral Health 2006 6:2   doi:10.1186/1472-6831-6-2

Open Data