Table 2.

OHI debris component—assessment for the group (A) and group (C) (% of cases within the range and min-max value).

	Oral hygiene assessment (OHI-debris)						Friedman ANOVA test (P)	Wilcoxon rank test (P)
	1st
Group (C)	0.0–0.5	62.5%	0.0–0.5	75.0%	0.0–0.5	87.5%	0.061	(1) : (2) n/a (2) : (3) n/a (1) : (3) n/a
	0.6–1.0	12.5%	0.6–1.0	12.5%	0.6–1.0	12.5%
	1.1–2.0	25.0%	1.1–2.0	12.5%	1.1–2.0	0.0%
	(0.16–1.6)		(0–1.25)		(0–0.75)
Group (A)	0.0–0.5	62.5%	0.0–0.5	75.0%	0.0–0.5	87.5%	0.003*	(1) : (2) = 0.027*  (2) : (3) = 0.027*  (1) : (3) = 0.043*
	0.6–1.0	37.5%	0.6–1.0	25.0%	0.6–1.0	12.5%
	1.1–2.0	0.0%	1.1–2.0	0.0%	1.1–2.0	0.0%
	(0–0.83)		(0–0.75)		(0–0.75)
Mann-Whitney U test (P)	0.958		0.792		0.494		—	—

 *Statistically significant P value < 0.05.