Table 2.

Species colonizing a statistically significantly higher percentage of patients with periodontitis than periodontally healthy individuals.

	Groups
Microrganismos	Healthy (n = 17)	Periodontitis (n = 40)	p-value
Actinomyces meyeri	76.5	97.5	0.0242**
Lancefieldella rimae	23.5	80.0	0.0002*
Cronobacter sakazakii	58.8	100	<0.0001*
Enterobacter cloacae	41.2	80.0	0.0060**
Enterobacter gergoviae	5.9	67.5	<0.0001*
Enterococcus faecallis	58.8	97.5	<0.0001*
Escherichia coli	82.4	100	0.0200**
Eubacterium limosum	0.0	82.5	<0.0001*
Filifactor alocis	47.1	90.0	0.0010*
Fusobacterium necrophorum	52.9	90.0	0.0035**
Haemophilus influenzae	0.0	75.0	<0.0001*
Spiroplasma ixodetis	41.2	90.0	0.0020**
Staphylococcus aureus	58.8	95.0	0.0018**
Staphylococcus warneri	70.6	100	<0.0001*
Streptococcus pyogenes	82.4	100	0.0232**
Veillonella díspar	64.7	97.5	0.0019**
Vibrio nereis	47.1	87.5	0.0023**

p < 0.05 means statistically significant differences between groups by the Chi-square test, with (*) and without (**) adjustments for multiple comparisons.