Table 4.

Comparison of mean salivary flow rates of xerostomia patients with different etiologies in four appointments

Etiologies of Xerostomia	Mean difference of salivary flow rate at 1st appointment (mL/min)	Mean difference of salivary flow rate at 2nd appointment (mL/min)	Mean difference of salivary flow rate at 3rd appointment (mL/min)	Mean difference of salivary flow rate at 4th appointment (mL/min)
Chemotherapy (n=3)
Mean	0.02	0.13	0.43	0.77
SD	0.01	0.005	0.10	0.06
Diabetes mellitus (n=4)
Mean	0.11	0.60	0.82	1.12
SD	0.11	0.43	0.50	0.43
Tobacco habits (n=11)
Mean	0.11	0.36	0.70	1.11
SD	0.09	0.16	0.21	0.25
ANOVA test
P	>0.05 (NS)	<0.05 (S)	>0.05 (NS)	>0.05 (NS)