Table 2.

Charlson Comorbidity Index for the Control, Tetrahydrocannabinol-Only, and Tetrahydrocannabinol-Opioid–Positive Groups

Factor	Control n = 252	Multidrug N = 47	THC Only n = 54	P
Charlson Comorbidity Index
Myocardial Infarction	8 (3.17%)	3 (6.38%)	1 (1.85%)	0.43
Congestive heart failure	3 (1.19%)	0	2 (3.7%)	0.25
Peripheral vascular disease	14 (5.56%)	2 (4.26%)	1 (1.85%)	0.50
Cerebrovascular accident	4 (1.59%)	1 (2.13%)	0	0.61
Dementia	10 (3.97%)	4 (8.51%)	1 (1.85%)	0.23
Chronic obstructive pulmonary disease	17 (6.75%)	8 (17.02%)	4 (7.41%)	0.06
Connective tissue disorder	4 (1.59%)	0	0	0.44
Peptic ulcer	89 (35.32%)	21 (44.68%)	18 (33.33%)	0.42
Liver disease	2 (0.79%)	0	0	0.67
Diabetes mellitus	48 (19.05%)	8 (17.02%)	7 (12.96%)	0.56
Hemiplegia	1 (0.40%)	0	0	0.82
Chronic kidney disease	4 (1.59%)	2 (4.26%)	0	0.25
Solid tumor	1 (0.40%)	4 (8.51%)	2 (3.7%)	<0.001
Leukemia	0	0	0
Lymphoma	0	0	0
AIDS	0	0	0

THC = tetrahydrocannabinol