Table 2.

Comparing side of IE and drug use

	Right IE	Left IE	IE both sides	Total
Opioid Only	47 (69%)	17 (25%)	4 (6%)	68
Stimulant Only	11 (46%)	11 (46%)	2 (8%)	24
Total	58	28	6	92

Relative to opioid-only users, stimulant-only users were 1.75 (95% CI 1.05 to 2.93; p=0.031) times as likely to have a left or bilateral IE, as opposed to a right IE.

Relative to opioid-only users, stimulant-only users were 1.88 (95% CI 1.05 to 3.37; p=0.034) times as likely to have a left IE, as opposed to a right IE.

IE, infective endocarditis.