The added value of periodontal measurements for identification of diabetes among saudi adults

Abstract

Background

The aims of this study were to develop a prediction model for identification of individuals with diabetes based on clinical and perceived periodontal measurements; and to evaluate its added value when combined with standard diabetes screening tools.

Methods

The study was carried out among 250 adults attending primary care clinics in Riyadh (Saudi Arabia). The study adopted a case‐control approach, where diabetes status was first ascertained, and the Finnish Diabetes Risk Score (FINDRISC), Canadian Diabetes Risk questionnaire (CANRISK) and periodontal examinations were carried out afterwards.

Results

A periodontal prediction model (PPM) including 3 periodontal indicators (missing teeth, percentage of sites with pocket probing depth≥ 6mm and mean pocket probing depth) had an area under the curve (AUC) of 0.694 (95% Confidence Interval: 0.612‐0.776) and classified correctly 62.4% of participants. The FINDRISC and CANRISK tools had AUCs of 0.766 (95%CI: 0.690‐0.843) and 0.821 (95%CI: 0.763‐0.879), respectively. The addition of the PPM significantly improved the AUC of FINDRISC (P = 0.048) but not of CANRISK (P = 0.144), with 26.8% and 9.8% of participants correctly reclassified, respectively. Finally, decision curve analysis showed that adding the PPM to both tools would result in net benefits among patients with probability scores lower than 70%.

Conclusions

This study showed that periodontal measurements could play a role in identifying individuals with diabetes, and that addition of clinical periodontal measurements improved the performance of FINDRISC and CANRISK.

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https://aap.onlinelibrary.wiley.com/doi/abs/10.1002/JPER.20-0118?af=R