Table V.

Independent predictors of opioid use beyond 90 days after surgery.

Independent risk factor	Adjusted OR, 95% CI	Log worth	p-value
Baseline opioid use	29.2; CI 5.54 to 153	5.5	< 0.001
Total equivalents of 5 mg oxycodone pills in prescription provided on day of discharge	Per 10 pills of 5 mg oxycodone: 1.45; CI 1.01 to 2.09	1.7	0.02
Total knee arthroplasty Total hip arthroplasty	7.64; CI 1.23 to 47.5 1.0 (referent)	1.9	0.01
History of mental health disorder	5.06; CI 1.10 to 23.4	1.5	0.03

Whole model area under receiver-operator curve (ROC) = 0.92; p < 0.001.

OR, odds ratio; SE, standard error; CI, confidence interval.