Effectiveness of Alternative Methods for Toothbrush Disinfection: An In Vitro Study

Table 4

Kruskal Wallis test for S. aureus.

Bacteria	Method	Mean	Standard deviation	Minimum	Maximum	Median	Kruskal Wallis test	𝑃 value	Statistically significant difference
S.  aureus	1% NaOCl; 50% white vinegar; 100% white vinegar; MW; UV; MCP; Control	1.4 × 10^2; 3.3 × 10^4; 0; 1.3 × 10^4; 1.7 × 10^4; 1.8 × 10^5; 4.5 × 10^8	1.8 × 10^2; 4.7 × 10^4; 0; 1.9 × 10^3; 4 × 10^3; 3.6 × 10^5; 1.9 × 10^8	1.2 × 10; 1.2 × 10^2; 0; 1.1 × 10^4; 1.1 × 10^4; 1.3 × 10^5; 2.1 × 10^8	5.1 × 10^2; 1.2 × 10^5; 0; 1.6 × 10^4; 2.3 × 10^4; 2.4 × 10^5; 8.8 × 10^8	4.5 × 10; 1.8 × 10^3; 0; 1.4 × 10^4; 1.7 × 10^4; 1.8 × 10^5; 4.1 × 10^8	6.3 × 10^4	0.000*	*MCP and 1% NaOCl; *MCP and 50% white vinegar; *MCP and 100% white vinegar; *MCP and MW; *MCP and UV; *Control and 1% NaOCl; *Control and 50% white vinegar; *Control and 100% white vinegar; *Control and MW; *Control and UV; *Control and MCP

∗Statistically significant difference 𝑃<0.05.