Statistical issues on evaluating agreement between THC and 11-OH-THC analysis in hair samples by Cohen's kappa

Forensic Sci Int. 2023 Feb:343:111496. doi: 10.1016/j.forsciint.2022.111496. Epub 2022 Oct 14.

¹ College of Life Science and Agriculture Forestry, Qiqihar University, Qiqihar 161006, China; Heilongjiang Industrial Hemp Processing Technology Innovation Center, Qiqihar 161006, China. Electronic address: yutianfei@qqhru.edu.cn.
² College of Life Science and Agriculture Forestry, Qiqihar University, Qiqihar 161006, China; Heilongjiang Industrial Hemp Processing Technology Innovation Center, Qiqihar 161006, China.
³ Heilongjiang Industrial Hemp Processing Technology Innovation Center, Qiqihar 161006, China; College of Chemistry and Chemical Engineering, Qiqihar University, Qiqihar 161006, China. Electronic address: qqhrzhaoming@163.com.

No abstract available

Keywords: 11-OH-THC; Agreement; Cohen's kappa; Fleiss' kappa; Hair; THC.

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