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

Table 1

Superiority test of the healing rate in the two groups.

Group		Target ulcer healed	Target ulcer not healed	Healing rate (%)	95% CI (HO: T − C ≤ 0)	value
Study	40	32	8	80	[0.125, +∞]	0.002
Control	40	20	20	50
Control	40	20	20	50	[−0.475, +∞]	0.998
Study	40	32	8	80