Effect of opioid dependence or abuse on opioid utilization after shoulder arthroplasty

Table 4 Analysis of risk factors for pre-operative opioid dependence/abuse

	TSA			RSA
Variable	RR	95%CI	P value	RR	95%CI	P value
Female	1.07	0.78-1.46	0.691	1.3	0.96-1.75	0.085
Age < 65	2.12	1.46-3.08	0.000	1.6	1.06-2.41	0.024
Mood disorder	6.70	4.92-9.11	< 0.0001	5.27	4.04-6.87	< 0.0001
Chronic pain	10.31	7.51-14.17	< 0.0001	10.10	7.53-13.57	< 0.0001

TSA: Total shoulder arthroplasty; RSA: Reverse shoulder arthroplasty.