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Malays J Med Sci. 2000 Jan;7(1):10-5.

Easy way to learn standardization : direct and indirect methods.

Author information

1
Unit of Biostatistics & Research Methodology, School of Medical Sciences, Universiti Sains Malaysia, 16150 Kubang Kerian, Kelantan, Malaysia.

Abstract

In direct age-adjustment, a common age-structured population is used as standard. This population may actually exist (e.g., United States population, 1999) or may be fictitious (e.g., two populations may be combined to create a standard). In indirect age-adjustment, a common set of age-specific rates is applied to the populations whose rates are to be standardized. The simplest and most useful form of indirect adjustment is the standardized mortality ratio (SMR) (5).

KEYWORDS:

direct; easy way; indirect; standardization methods

PMID:
22844209
PMCID:
PMC3406211

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