Table 4. 5 Most commonly reported psychoactive substances (as stated in medical records).

For a reference number of unidentified agents was added.

Total population		Patients without rhabdomyolysis	Patients with rhabdomyolysis	Odds ratio	Odds ratio Confidence interval
Substance used	Frequency (N, %)	Frequency (N, %)	Frequency (N, %)
Cocaine	229 (22.6%)	122 (22.3%)	107 (22.9%)	1.03	0.79–1.34
Cannabis	192 (18.9%)	117 (21.4%)	74 (15.8%)76 (16.2%)	0.74	0.54–0.99
GHB/GBL	153 (15.1%)	81 (14.8%)	72 (15.4%)	1.04	0.75–1.44
Amphetamine	142 (14.0%)	66 (11.7%)	76 (16.2%)	1.34	0.97–1.89
Heroin	137 (13.5%)	70 (12.1%)	67 (14.3%)	1.12	0.8–1.58
Unknown substance	45 (4.3%)	21 (3.8%)	24 (5.1%)