Table 4.

Score of positive answers from oral dryness assessment questionnaire according to hyposalivation in study group (with NF1)

Number of positive answers*	UWSFR
	Hyposalivation (%)	OR (IC 95%)	P **
None	7 (14)	0.9 (0.2 – 3.7)	0.97
One	8 (16.3)	0.6 (0.1 – 3)	0.7
Two	4 (8.1)	0.4 (0.1 – 2.1)	0.45
Three	7 (14)	2.9 (0.5 – 16.2)	0.27
Four	2 (4)	1.7 (1.3 – 2.2)	0.5
Five	2 (4)	1.4 (0.1 – 17.1)	1.0
Six	2 (4)	0.6 (0.8 – 5.3)	1.0

UWSFR, Unstimulated whole saliva flow rate; OR (IC 95%), Odds ratio and 95% of confidence interval.

*Considering the first six questions of the Oral Dryness Questionnaire, **P value is from Qui-Square analysis or Fisher’s exact test.