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

Table 3 Relative risk of opioid utilization at post-operative intervals for patients with vs without a history of opioid dependence/abuse

	TSA			RSA
Post-operative interval	RR	95%CI	P value	RR	95%CI	P value
0-1 mo	1.14	1.04-1.25	0.005	1.36	1.27-1.45	< 0.001
1-2 mo	2.25	1.97-2.56	< 0.0001	2.28	2.06-2.53	< 0.001
2-3 mo	2.78	2.42-3.20	< 0.0001	2.69	2.40-3.02	< 0.001
3-4 mo	2.80	2.39-3.27	< 0.0001	3.20	2.85-3.60	< 0.001
4-5 mo	2.78	2.34-3.30	< 0.0001	3.23	2.82-3.69	< 0.001
5-6 mo	2.84	2.38-3.40	< 0.0001	3.09	2.67-3.57	< 0.001
6-7 mo	3.00	2.54-3.56	< 0.0001	3.26	2.82-3.75	< 0.001
7-8 mo	2.87	2.40-3.43	< 0.0001	3.34	2.87-3.88	< 0.001
8-9 mo	2.88	2.39-3.46	< 0.0001	3.30	2.83-3.85	< 0.001
9-10 mo	2.90	2.39-3.52	< 0.0001	3.47	2.95-4.08	< 0.001
10-11 mo	2.81	2.30-3.44	< 0.0001	3.50	2.98-4.10	< 0.001
11-12 mo	2.97	2.44-3.61	< 0.0001	3.36	2.83-3.98	< 0.001

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