Table 4.

Mean total scores, Standard Deviation (SD) and Standard Error of the Mean (SEM) of xerostomia during meals and xerostomia in rest questionaires, for IMRT and Control groups.

		Xerostomia during meals			Xerostomia in rest
	N	Mean	SD	SEM	Mean	SD	SEM
Total Group
IMRT	75	7.2	5.7	0.7	7.6	5.0	0.6
Control	87	11.5	6.0	0.6	10.3	4.7	0.5
Oropharynx
IMRT	28	9.1	6.1	1.2	7.0	5.2	1.0
Control	40	13.0	5.5	0.9	10.3	4.3	0.7
Larynx
IMRT	23	4.3	4.4	0.9	7.1	3.9	0.8
Control	27	9.0	5.9	1.1	10.7	5.0	1.0
Other*
IMRT	20	7.6	5.4	1.1	8.9	5.7	1.2
Control	24	12.1	6.4	1.4	9.6	5.1	1.1

* hypopharynx, oral cavity, nasopharynx, thyroid