The distribution- and anchor-based methods will be used to estimate the Minimal Important Difference (MID) of the OHIP-P-HIN. Two established distribution-based approaches, the standardized effect size (ES) and standardized response mean (SRM) will be calculated. The ES is calculated by dividing the mean change scores in the OHIP-P-HIN from baseline by the standard deviation of the baseline scores. And the SRM are computed as ratios of the mean change score divided by its standard deviation. The anchor-based approach will be applied by using the global transition scale as the anchor.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
OTHER
Masking
NONE
Enrollment
106
Full mouth subgingival instrumentation will be done
PGIDS Rohtak
Rohtak, Haryana, India
RECRUITINGMinimal Important Difference (MID)
The distribution- and anchor-based methods will be used to estimate the MID. Two established distribution-based approaches, the standardized effect size (ES) and standardized response mean (SRM) will be calculated. The anchor-based approach will be applied by using the global transition scale as the anchor.
Time frame: 6 weeks after completion of Non surgical Periodontal therapy
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