Table 1 Participant demographic & clinical characteristics

Age

43.7 ± 7.5

Male

26 (86.7)

Methamphetamine use

 Duration of use

13.4 ± 4.9

 Intravenous users

13 (43.3)

History of substance abuse

 Smoking

24 (80)

 Alcohol

12 (40)

 Marijuana

15 (50)

Comorbidities

 Hypertension

10 (33.3)

 Diabetes mellitus

3 (10)

 Hyperlipidaemia

3 (10)

 Atrial fibrillation/flutter

0

 Chronic kidney disease

1 (3.3)

 Prior ischaemic heart disease

1 (3.3)