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Table 3 UN Age Sex accuracy Index* for DSP population, by region, 1999

From: Mortality registration and surveillance in China: History, current situation and challenges

Region

UN Index

North China

17.7

Northeast China

15.2

East China

21.9

Central China

19.7

South China

22.9

Northwest China

20.5

South West China

23.0

  1. Source: Chinese Academy of Medical Sciences, 2004
  2. The United Nations Index measures the quality of population data as follows: < 20 = accurate; 20 to 40 = inaccurate; > 40 = highly inaccurate [13]