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. Author manuscript; available in PMC: 2014 Dec 1.
Published in final edited form as: Occup Environ Med. 2014 Sep 4;71(12):842–847. doi: 10.1136/oemed-2014-102315

Table 4.

Concordance between AChE and BChE for different categorizations of cholinesterase depression (N=215)

Categories Kappa 95% CI
≥20% Depression by BChE and AChE −0.05 (−0.08, −0.02)
Tertile of BChE and AChE Depression* −0.11 (−0.21, −0.01)
*

Weighted Kappa coefficients are used to quantify tertile agreement