Table 3B.

Comparison of sialometry between the groups.

Mann–Whitney test
Ranks
	Group	N	Mean rank	Sum of ranks
Resting volume	PMD + OD	25	14.00	350.00
	PMD − OD	25	37.00	925.00
	Total	50
Placebo	PMD + OD	25	14.22	355.50
	PMD − OD	25	36.78	919.50
	Total	50
TENS	PMD + OD	25	14.26	356.50
	PMD − OD	25	36.74	918.50
	Total	50