. Author manuscript; available in PMC: 2019 Aug 1.

Published in final edited form as: J Am Acad Orthop Surg. 2018 Aug 1;27(15):e691–e695. doi: 10.5435/JAAOS-D-18-00008

Table 1.

Patients With At Least 2-Year Follow-up Reporting Opioid Use at Postoperative Intervals

	With Preoperative Opioid Use	Without Preoperative Opioid Use	P Value
Minimum 2-year follow-up (n = 490)	174 (35.5%)	316 (64.5%)
1 year postoperatively	34^a (29.1%)	12^b (4.9%)	<0.001
Final follow-up (mean, 47 mo)	61 (35.1%)	23 (7.3%)	<0.001
P value	0.251	0.181

Of 117 patient responses.

Of 246 patient responses.