Performance of a quality assurance program for assessing dental health in methamphetamine users

BMC Oral Health

Vivek Shetty⁴  Thomas Belin³  Debra A. Murphy²  Lauren Harrell⁴  Bruce A. Dye¹ 

[1] National Institute of Dental and Craniofacial Research, National Institute of Health, Bethesda, MD, USA;Integrated Substance Abuse Programs, University of California Los Angeles, Los Angeles, CA, USA;Department of Biostatistics, Fielding School of Public Health, University of California Los Angeles, Los Angeles, CA, USA;Oral & Maxillofacial Surgery, School of Dentistry, University of California Los Angeles, Los Angeles, CA, USA

关键词: NHANES;    Quality assurance;    Reliability;    Methamphetamine use;    Dental caries;   

Others  :  1217694
DOI  :  10.1186/s12903-015-0057-z

 received in 2015-01-23, accepted in 2015-06-08,  发布年份 2015

【 摘 要 】

Background

Systematic characterization of the dental consequences of methamphetamine (MA) abuse presupposes a rigorous quality assurance (QA) program to ensure the credibility of the data collected and the scientific integrity and validity of the clinical study. In this report we describe and evaluate the performance of a quality assurance program implemented in a large cross-sectional study of the dental consequences of MA use.

Methods

A large community sample of MA users was recruited over a 30 month period during 2011–13 and received comprehensive oral examinations and psychosocial assessments by site examiners based at two large community health centers in Los Angeles. National Health and Nutrition Examination Survey (NHANES) protocols for oral health assessments were utilized to characterize dental disease. Using NHANES oral health quality assurance guidelines, examiner reliability statistics such as Cohen’s Kappa coefficients and inter-class correlation coefficients were calculated to assess the magnitude of agreement between the site examiners and a reference examiner to ensure conformance and comparability with NHANES practices.

Results

Approximately 9 % (n = 49) of the enrolled 574 MA users received a repeat dental caries and periodontal examination conducted by the reference examiner. There was high concordance between the reference examiner and the site examiners for identification of untreated dental disease (Kappa statistic values: 0.57–0.75, percent agreement 83–88 %). For identification of untreated caries on at least 5 surfaces of anterior teeth, the Kappas ranged from 0.77 to 0.87, and percent agreement from 94 to 97 %. The intra-class coefficients (ICCs) ranged from 0.87 to 89 for attachment loss across all periodontal sites assessed and the ICCs ranged from 0.79 to 0.81 for pocket depth. For overall gingival recession, the ICCs ranged from 0.88 to 0.91. When Kappa was calculated based on the CDC/AAP case definitions for severe periodontitis, inter-examiner reliability for site examiners was low (Kappa 0.27–0.67).

Conclusion

Overall, the quality assurance program confirmed the procedural adherence of the quality of the data collected on the distribution of dental caries and periodontal disease in MA-users. Examiner concordance was higher for dental caries but lower for specific periodontal assessments.

【 授权许可】

   
2015 Dye et al.

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