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Meta-Analysis
. 2017 Mar 30:7:45000.
doi: 10.1038/srep45000.

Epidemic trend of periodontal disease in elderly Chinese population, 1987-2015: a systematic review and meta-analysis

Hongmei Yang  1   2   3 , Li Xiao  1   2   3 , Lei Zhang  4   5   6 , Stacytabi Deepal  1   2 , Guo Ye  1   2   3 , Xiaonan Zhang  1   2   3
Affiliations
Meta-Analysis

Epidemic trend of periodontal disease in elderly Chinese population, 1987-2015: a systematic review and meta-analysis

Hongmei Yang et al. Sci Rep. .

Abstract

Periodontal disease is a common oral health problem in the elderly population. The prevalence varied substantially due to absence of a universal diagnostic criteria. We conducted a systematic review to identify the epidemiological characteristics of periodontal diseases among Chinese elderly people. A total of 19 articles were included. The pooled detection rates for three indicators, including bleeding on probing (BOP), pocket depth (PD) and clinical attachment loss (CAL), were 53.9% (95% CI: 43.8-63.9%), 57.0% (50.8-63.2%), and 70.1% (65.4-74.8%), respectively. No significant differences in these indicators between urban and rural population. When stratified by gender, BOP (+) detection rates did not show any differences, but the detection rates of PD ≥ 4 mm and CAL ≥ 4 mm were significantly higher in males than in females (59.3% [53.4-65.2%] versus 50.8% [43.5-58.0%], RRPD = 1.13 [1.01-1.26]; 73.8% [70.0-77.7%] versus 65.2% [60.2-70.2%], RRCAL = 1.21 [1.11-1.32]). No statistically significant differences were observed between CAL ≥ 4 mm and PD ≥ 4 mm (RR = 1.12, [0.83-1.50]). A geographical map based on available data during 1987-2015 showed wide variations of periodontal disease across the mainland China. Some factors such as heterogeneity of case definitions, no specific diagnosis of periodontitis, and variable quality of the included studies could affect the final results. Hence, further high-quality epidemiological studies with standardized diagnostic criteria are needed.

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Conflict of interest statement

The authors declare no competing financial interests.

Figures

Figure 1
Figure 1. Flow chart of literature search and selection.
Figure 2
Figure 2. Temporal trends of the detection rates for elderly periodontal disease in mainland China during 1987–2015.
Figure 3
Figure 3. Forest plots of the detection rates for elderly periodontal disease in male and female in mainland China during 1987–2015.
Figure 4
Figure 4. Forest plots of the detection rates for elderly periodontal disease in rural and urban areas of mainland China during 1987–2015.
Figure 5
Figure 5. Spatial distribution of the detection rates for elderly periodontal disease in mainland China during 1987–2015 (created by the SuperMap GIS software 2.0).
Figure 6
Figure 6. Funnel plots for studies.
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