Issues of Recruitment and Rationale for Conducting Clinical Trials on Mutans Streptococci Suppression in Mothers

Table 3

Studies on the prevalence rates of salivary levels of the mutans streptococci in mothers.

Author/year	Country	Age of infants	Mothers screened (𝑁)	MS ≥10^5 CFU/mL Saliva—𝑁 (%)	𝑃STUDY-𝑃BAURU	Sig. level
Bauru 2001–06	Brazil	2 mos.	693	525 (76%)
Kohler et al. 1978–81 [1]	Sweden	3–8 mos.	249	198 (80%)	4%	0.118
Brown et al. 1984-85 [5]	Australia	<2 yrs	112	91 (81%)	5%	0.118
Paunio et al. 1986–88 [6]	Finland	5–8 mos.	154	77 (50%)	−26%	<0.0001
Soderling et al. 1991 [8]	Finland	3 mos.	338	195 (58%)	−18%	<0.0001
Brambilla et al. 1993 [7]	Italy	not born	310	65 (21%)	−55%	<0.0001

[]: reference cited.