Table 3.

Linear regression of variables two by two

	r	p
GOHAI vs DMFT	0,54	< 0,001
GOHAI vs XI	0.74	< 0,001
GOHAI vs AIS	0.0009
AIS vs XI	0.12

GOHAI: Global Oral Health Assessment Index; XI: Xerostomia Inventory; DMFT: decayed-missing-filled teeth; AIS: Anticholinergic Impregnation Scale; P values