Table 2: Percentage reduction among groups.

% Reduction Median (Minimum-Maximum/Range) p
5.25% NaOCI 99.87 (99.50 - 99.95)
2% CHX 99.97 (99.55 - 99.99)¥
Gaseous O3 + O3 water 95.00 (86.67 - 99.75)ഠ0.001*
Gaseous ozone 90 (70 - 98)‡¥
Saline 0 (0 - 0)

Kruskal wallis test *p < 0.01, Mann whitney U test p < 0.05; The group that showed less bacterial reduction percentage than the other tested groups (p < 0.05);

The group that showed less bacterial reduction percentage than CHX group (p < 0.05); ¥The group that showed less bacterial reduction percentage than NaOCl group (p < 0.05).