Comparison of Oral Microbe Quantities from Tongue Samples and Subgingival Pockets

Table 6

Overview on relative abundances (log10 transformed) for tongue scrapings and subgingival samples and respective Spearman’s correlation coefficients (with 95% confidence intervals).

	Relative abundances		(95% CI)
	Tongue scraping	Subgingival sample
P. gingivalis	0 (0, 6.3⋅10^−6)	0 (0, 8.1⋅10^−5)	0.63 (0.55, 0.70)
A. actinomycetemcomitans	0 (0, 0)	0 (0, 3.7⋅10^−5)	0.16 (0.03, 0.28)
F. nucleatum	0 (0, 0)	8.6⋅10^−4 (0, 5.8⋅10^−3)	0.21 (0.09, 0.33)
S. sanguinis	0 (0, 1.6⋅10^−6)	0 (0, 8.9⋅10^−4)	0.56 (0.46, 0.64)
Archaea	2.63 (0, 2.82)	0 (0, 0)	−0.10 (−0.23, 0.03)
% Archaea	0.011 (0, 0.025)	0 (0, 0)	−0.01 (−0.14, 0.12)
Total bacteria	6.41 (6.16, 6.69)	4.22 (3.99, 4.47)	−0.14 (−0.26, 0.01)

Relative abundances are given as median (Q25%, Q75%); , Spearman’s correlation coefficient; 95% CI, 95% confidence interval.