Use of over-the-counter mouthwashes as an additional measure in individual oral prophylaxis on adults with plaque-induced gingivitis: a double-blind, parallel, randomized controlled trial

Table 5 Bleeding sites score according to patient’s baseline gingival bleeding and treatment groups. C: Group control, CHX 0.12% MW; CX: Group test, CHX 0.09% + HA, polylysine, xylitol, and Citrox®; P: Group test, MW containing natural extracts

Time	C		CX		P		Paired Comparisons (p-value)
	n	% ± se ^b	n	% ± se ^b	n	% ± se ^b	C-CX	C-P	CX-P
Patient’s Bleeding at T₀ ≥ 30%
T₀(Baseline)	1176	53.57 ± 1.45	1464	48.16 ± 1.31	1512	43.98 ± 1.28	0.00	0.00	0.02
T₁(2 weeks)		34.44 ± 1.39		32.24 ± 1.22		25.33 ± 1.12	0.23	0.00	0.00
*p-value*		0.00		0.00		0.00
Effect. T₁, % (95%-CI)		35.71 ± 3.94		33.05 ± 3.51		42.41 ± 3.33
Patient’s Bleeding at T₀ < 30%
T₀(Baseline)	643	13.22 ± 1.34	1164	22.68 ± 1.23	504	24.21 ± 1.91	0.00	0.00	0.50
T₁(2 weeks)		22.24 ± 1.64		20.62 ± 1.19		23.61 ± 1.89	0.42	0.58	0.17
*p-value*		0.00		0.23		0.82
Effect. T₁, % (95%-CI)		-68.24 ± 4.15		9.09 ± 3.35		2.46 ± 5.28

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