now more common in SSA than was previously
thought. Therefore, both national and
regional figures for SSA may be underestimated .
For all of these reasons, too much
emphasis should not be placed on the figures for individual countries. However,
they do provide a useful starting point for
national situational analysis.
Three previous studies have estimated
the number of people with diabetes in the
world. Although they used different sources
of demographic data, they drew to a larg e
extent on the same prevalence data as the
present project, and estimates of current
prevalence are quite comparable. It should
be noted that all four studies have relied on
field survey data for the estimation of prevalence.
Therefore, the numerical estimates
derived there f rom re p resent all people with
diabetes in the community, including both
known and undiagnosed cases.
As compared with our global estimate of
now more common in SSA than was previouslythought. Therefore, both national andregional figures for SSA may be underestimated .For all of these reasons, too muchemphasis should not be placed on the figures for individual countries. However,they do provide a useful starting point fornational situational analysis.Three previous studies have estimatedthe number of people with diabetes in theworld. Although they used different sourcesof demographic data, they drew to a larg eextent on the same prevalence data as thepresent project, and estimates of currentprevalence are quite comparable. It shouldbe noted that all four studies have relied onfield survey data for the estimation of prevalence.Therefore, the numerical estimatesderived there f rom re p resent all people withdiabetes in the community, including bothknown and undiagnosed cases.As compared with our global estimate of
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