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. 2011 Nov 18;10:61. doi: 10.1186/1476-072X-10-61

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Copyright ©2011 Sartorius et al; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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District level infant mortality rates with 95% confidence intervals and significant high or low districts, South Africa, 2007. Dashed line represents the national average i.e. SMR = 1; upward triangles represent sub-districts which are not significantly different from SMR = 1 but that are not equivalent based on an equivalency test using a critical SMR range of 0.8-1.25; ISRDP = rural development district; Metro = metropolitan; province abbreviations: EC (Eastern Cape), FS (Free State), GT (Gauteng), KZ (Kwa-Zulu Natal), LI (Limpopo), MPU (Mpumalanga), NW (North West), NC (Northern Cape), WC (Western Cape).