A Comparison of Impact of Chronic Periodontal Diseases and Nonsurgical Periodontal Therapy on Oral Health-Related Quality of Life

Table 4

Association between the groups of OHIP-14 item score before and after NSPT^†.

Test	Median (IQR)		value
	Periodontitis (scaling and RSD)	Gingivitis (supragingival scaling)
Before	8.50 (4.25–15.00)	4.00 (2.50–10.00)	0.015
After	3.00 (1.00–7.50)	2.00 (1.00–7.50)	0.747

Mann–Whitney test. Statistically significant value ().