. 2013 Sep 15;40(11):1025–1035. doi: 10.1111/jcpe.12155

Table 5.

Mean (±standard deviation) for microbiological outcome measures in subgingival plaque

Species	Time point	Mean log10 cfu/ml ± SD			Δ mean log10 cfu/ml
		SRP	SRP + P	p-value	SRP	SRP + P	p-value
Aggregatibacter actinomycetemcomitans	Baseline	3.57 ± 1.97	3.84 ± 2.7	NS
	3 weeks	0.69 ± 1.83^*	0.63 ± 1.76^*	NS	−3.32 ± 1.03	−4.38 ± 1.78	NS
	6 weeks	0.77 ± 2.05^*	0.97 ± 2.15^*	NS	−3.22 ± 1.18	−3.92 ± 2.08	NS
	9 weeks	0.96 ± 2.12^*	1.19 ± 2.38^*	NS	−3.01 ± 1.25	−3.61 ± 2.19	NS
	12 weeks	1.86 ± 2.12^*	1.98 ± 2.38^*	NS	−1.98 ± 1.23	−2.53 ± 1.98	NS
Fusobacterium nucleatum	Baseline	7.4 ± 1.16	7.7 ± 1.11	NS
	3 weeks	2.94 ± 2.25^*	2.95 ± 1.82^*	NS	−4.46 ± 2.15	−4.75 ± 2.37	NS
	6 weeks	3.71 ± 2.09^*	4.38 ± 2.22^*	NS	−3,69 ± 2.07	−3.32 ± 2.39	NS
	9 weeks	4.92 ± 1.39^*	4.6 ± 2.03^*	NS	−2.47 ± 1.61	−3.1 ± 2.22	NS
	12 weeks	5.87 ± 1.08^*	5.45 ± 2.05^*	NS	−1.53 ± 1.31	−2.25 ± 1.89	NS
Porphyromonas gingivalis	Baseline	6.37 ± 1.7	6.67 ± 1.5	NS
	3 weeks	3.26 ± 1.47^*	3.17 ± 1.71^*	NS	−3.11 ± 1.54	−3.5 ± 1.48	NS
	6 weeks	4.08 ± 1.61^*	3.89 ± 1.23^*	NS	−2.3 ± 1.37	−2.79 ± 1.31	NS
	9 weeks	4.98 ± 1.5^*	4.23 ± 1.23^*	NS	−1.39 ± 0.79	−2.44 ± 1.43	0.034
	12 weeks	5.43 ± 1.73^*	4.87 ± 1.21^*	NS	−0.94 ± 0.61	−1.8 ± 1.17	0.050
Prevotella intermedia	Baseline	6.17 ± 2.73	6.34 ± 2.14	NS
	3 weeks	2.47 ± 1.7^*	2.22 ± 2.02^*	NS	−4,27 ± 1.79	−4.12 ± 1.88	NS
	6 weeks	3.55 ± 1.75^*	2.7 ± 2.06^*	NS	−3.02 ± 1.21	−3.63 ± 1.85	NS
	9 weeks	4.04 ± 1.96^*	3.35 ± 1.97^*	NS	−2.45 ± 1.45	−2.99 ± 1.7	NS
	12 weeks	4.81 ± 2.44^*	4.22 ± 2.07^*	NS	−1.57 ± 1.21	−2.12 ± 1.7	NS
Tannerella forsythia	Baseline	6.56 ± 0.89	5.95 ± 1.82	NS
	3 weeks	1.34 ± 2^*	1.71 ± 2.18^*	NS	−5.22 ± 1.72	−4.57 ± 1.93	NS
	6 weeks	2.96 ± 2.38^*	3.56 ± 2.13^*	NS	−3.6 ± 2.15	−2.56 ± 1.45	NS
	9 weeks	4.22 ± 1.99^*	4.02 ± 2.12^*	NS	−2.34 ± 1.81	−2.07 ± 1.39	NS
	12 weeks	5.24 ± 1.17^*	4.96 ± 1.78^*	NS	−1.33 ± 0.94	−1.06 ± 0.81	NS
Total load	Baseline	10.11 ± 0.86	9.9 ± 0.52	NS
	3 weeks	7.34 ± 1.22^*	6.93 ± 1.54^*	NS	−2.78 ± 0.92	−2.97 ± 1.66	NS
	6 weeks	7.76 ± 1.01^*	8.04 ± 1.06^*	NS	−2.36 ± 0.77	−1.86 ± 1.03	NS
	9 weeks	8.42 ± 1.19^*	8.24 ± 0.98^*	NS	−1.69 ± 1.07	−1.66 ± 1.02	NS
	12 weeks	8.99 ± 0.99^*	8.49 ± 0.82^*	NS	−1.12 ± 1.04	−1.41 ± 0.7	NS

Significance of differences between groups: p > 0.1: not significant (NS); p < 0.1 to >0.05: tendency; p < 0.05: significant (bold).

Significantly different from baseline.

SRP, scaling and rootplaning + placebo lozenge; SRP + P, scaling and rootplaning + probiotic lozenge.