International Journal of Dentistry / 2017 / Article / Tab 5

Research Article

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

Table 5

Association between intragroups of OHIP-14 item score before and after NSPT.

GroupMedian (IQR) value
BeforeAfter

Periodontitis8.50 (4.25–15.00)3.00 (1.00–7.50)<0.001
Gingivitis4.00 (2.5–10.00)2.00 (1.00–7.50)0.001

Wilcoxson’s signed-rank test. Statistically significant value ().