TABLE 4.

Correlations between Lactobacillus species within the carious dentine

Lactobacillus sp.	Microbial associationa
	L. gasseri		L. salivarius
	r	P	r	P
L. casei	0.1638	NS	0.2075	NS
L. rhamnosus	0.5313	<0.0001	0.375	0.0021
L. crispatus	0.4078	0.0007	0.3003	0.0151
L. ultunensis	0.3027	0.0142	0.3687	0.0025
L. gasseri			0.5434	<0.0001
L. salivarius	0.5434	<0.0001
L. fermentum	0.4305	0.0003	0.323	0.0087
L. delbrueckii	0.08768	NS	0.1425	NS
L. gallinarum	0.1774	NS	0.05456	NS

^ar, correlation coefficients were calculated with the Spearman test. NS, not significant (P > 0.05).