Table 4.

Correlation of OHIP-14 total and domain scores with Summated Xerostomia Inventory-5 (SXI-5), Perceived Stress Scale-10 (PSS-10) scores, number of missing teeth, mean PD, mean CAL, mean Rec and Mean BoP

	OHIP-14
	Total	Functional limitation	Physical pain	Psychological discomfort	Physical disability	Psychological disability	Social disability	Handicap
SXI-5 Total	0.281**	0.246**	0.213**	0.185**	0.207**	0.218**	0.143**	0.192**
PSS-10 Total	0.083*	0.008	0.019	0.093*	0.017	0.114***	0.053	0.115**
Number of missing teeth	0.184**	0.165**	0.105**	0.158**	0.182**	0.135**	0.091**	0.125**
Mean PD	0.126**	0.043	0.097*	0.118**	0.092*	0.095*	0.068	0.084*
Mean CAL	0.162**	0.089*	0.090*	0.140**	0.131**	0.117**	0.077	0.124**
Mean Rec	0.136**	0.085*	0.066	0.115**	0.106**	0.095*	0.054	0.115**
Mean BoP	0.110**	−0.015	0.105*	0.109**	0.071	0.071	0.060	0.090*

Overall trend across OHIP-14 scores, total and for each domain, assessed by Spearman’s rank correlation coefficient (rho). Significant correlations identified in bold (*p < 0.05, **p < 0.01)

Mean BoP Mean bleeding of probing, Mean CAL Mean clinical attachment loss, Mean PD Mean probing depth, Mean Rec Mean gingival recession, OHIP-14 Oral Health Impact Profile-14, PSS-10 Perceived Stress Scale-10, SXI-5 Summated Xerostomia Inventory-5