Figure 4.

Synthesis of three OIDP studies presenting Odds Ratio's. Forest plots presenting Odss Ratio's (OR) for having any impact on OIDP of three categories of number of present teeth in three samples (total n = 2204) [5,24,45]. Relative box size indicates weight of the study. (a) ≤ 10 vs. ≥ 21 (heterogeneity Χ2 = 0.08; df = 2), (b) >10 and < 21 vs. ≥ 21 teeth (heterogeneity Χ2 = 0.46; df = 2).

Gerritsen et al. Health and Quality of Life Outcomes 2010 8:126   doi:10.1186/1477-7525-8-126
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