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Median levels (μg/L) of cannabinoids detected in post-mortem blood samples by type of cannabis, manner of death and type of accidental death.
| Median blood level (μg/L) | |||
|---|---|---|---|
| THC | THC–COOH | THC–OH | |
| Type of cannabis use | |||
| Cannabis alone | 4.3 | 16.4 | 1.8 |
| Cannabis and other drugs | 3.5 | 10.0 | 1.5 |
| Manner of death | |||
| Accidental | 3.5 | 10.0 | 1.6 |
| Drug toxicity | 3.4 | 10.0 | 1.5 |
| Road traffic collision | 9.0 | 38.0 | 10.0 |
| Suicidal | 4.9 | 8.8 | 0.9 |
| Undetermined | 2.2 | 14 | 1.4 |
