Short-Term Efficacy of Pudilan Keyanning Toothpaste in Treatment of Minor Recurrent Aphthous Ulcers

Table 4

Comparison of the degree of exudation and hyperemia in the PKT and control groups.

	Time of measurement	Score	⁢Number of volunteers (% of the group)		Wilcoxon test value
			Study group	Control group
Exudation	Day 3	0	3 (7.5%)	9 (22.5%)	0.9471
		1	11 (27.5%)	6 (15.0%)
		2	21 (52.5%)	15 (37.5%)
		3	5 (12.5%)	10 (25.0%)
	Day 6	0	32 (80.0%)	22 (55.0%)	0.0180
		1	3 (7.5%)	7 (17.5%)
		2	5 (12.5%)	9 (22.5%)
		3	0 (0%)	2 (5.0%)
Hyperemia	Day 3	0	6 (15.0%)	8 (20.0%)	0.7803
		1	21 (52.5%)	19 (47.5%)
		2	13 (32.50%)	13 (32.5%)
		3	0 (0%)	0 (0%)
	Day 6	0	33 (82.5%)	22 (55.0%)	0.0100
		1	6 (15.0%)	16 (40.0%)
		2	0 (0%)	2 (5.0%)
		3	1 (2.5%)	0 (0%)