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Prevalence of impaired health-related quality of life according to four subgroups based on tooth loss and dental pain. Percentage of subjects who responded “some or extreme problems” in each dimension of the EQ-5D (mobility, P < 0.0001; self-care, P < 0.0001; usual activity, P < 0.0001; pain/discomfort, P < 0.0001; anxiety/depression P = 0.0004). Bars represent standard error.
