Table 8.

Descriptive statistics of Plaque Control Record (PCR) at visits V1, V2, V3, and V4 differentiated by group.

Group		Mean	SD	P25%	Median	P75%	Min	Max	N
PCR (V1)	Control toothpaste	0.28	0.21	0.11	0.19	0.46	0.00	0.80	87
	Test toothpaste	0.30	0.22	0.14	0.22	0.46	0.00	0.82	84
PCR (V2)	Control toothpaste	0.18	0.17	0.07	0.11	0.28	0.00	0.74	87
	Test toothpaste	0.22	0.20	0.07	0.17	0.34	0.00	0.79	84
PCR (V3)	Control toothpaste	0.16	0.16	0.04	0.12	0.21	0.00	0.69	87
	Test toothpaste	0.21	0.20	0.05	0.14	0.32	0.00	0.78	84
PCR (V4)	Control toothpaste	0.20	0.17	0.08	0.16	0.32	0.00	0.69	87
	Test toothpaste	0.23	0.25	0.05	0.13	0.36	0.00	1.00	84

SD, standard deviation; P25%, 25% percentile; P75%, 75% percentile; Min, minimum; Max, maximum.