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Prevalence of common condition combinations in South Africans aged 15 and older. Prevalence levels range from close to 0% (green) to 8% (red). 95% CIs are in brackets. The prevalence levels for individual conditions (in the row and column headings) are the same as in table 2. COPD, chronic obstructive pulmonary disease; IHD, ischaemic heart disease; TB, tuberculosis.
