Table 2.

The amount and rate of mouthwash remaining in the oral cavity

Mouthwash		Total	Male	Female	p
n		22	11	11	-
Pure water	Before gargling (g)	58.7 (53.2–60.3)	58.7 (53.2–60.2)	58.7 (55.0–60.3)	0.6063
	After gargling (g)	57.2 (48.7–58.9)	57.5 (48.7–58.9)	56.1 (52.7–58.8)	0.5619
	Amount remaining (g)	1.3 (− 0.2 to 7.6)	1.0 (− 0.1 to 5.9)	1.6 (− 0.2 to 7.6)	0.7477
	Rate (%)	2.2 (− 0.3 to 12.6)	1.8 (− 0.2 to 9.9)	2.7 (− 0.3 to 12.6)	0.7069
PVP-I solution	Before gargling (g)	58.9 (56.3–60.3)	58.9 (58.0–59.9)	58.9 (56.3–60.3)	0.7477
	After gargling (g)	58.7 (56.4–61.3)	58.8 (56.8–61.3)	58.7 (56.4–60.6)	0.8799
	Amount remaining (g)	0.0099 (− 2.5 to 2.5)	0.0728 (− 2.5 to 2.2)	− 0.1184 (− 2.2 to 2.5)	0.8977
	Rate (%)	0.015 (− 4.2 to 4.3)	0.12 (− 4.2 to 3.8)	− 0.2 (− 3.9 to 4.3)	0.8977

Median (range), * male vs. female