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. Author manuscript; available in PMC: 2019 Jun 12.
Published in final edited form as: Anal Chem. 2006 Apr 1;78(7):2199–2208. doi: 10.1021/ac0517085

Table 2.

Correlation between Split Specimens Based on Rv Coefficients17

split sample Rv coefficient visit 2 visit 4
Japan (Aito Town) 0.975 0.994
China (Guangxi) 0.909 0.916
USA (Chicago) 0.868 0.941
all three populations 0.917 0.964