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. 2020 Oct 18;13:100260. doi: 10.1016/j.ynstr.2020.100260

Table 1.

Correlations between THC, THC-COOH, 11-OH-THC, and vapor deliveries.

THC THC-COOH 11 OH-THC
75 mg/ml (N = 26)


THC-COOH .50**


11-OH-THC .59** .93***


Day 21 # Vapor Deliveries .65*** .51** .61***
150 mg/ml (N = 26)


THC-COOH .69***


11-OH-THC .65*** .92***


Day 21 # Vapor Deliveries .55** .67*** 69***
300 mg/ml (N = 26)


THC-COOH .28


11-OH-THC .24 .85***


Day 21 # Vapor Deliveries .58** .43* .35

*p < .05, **p < .01, ***p < .001.