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Table 3 Adjusted model exploring discharge destination as a predictor of opioid use at 90-days post-operatively

From: Discharge to inpatient rehabilitation following arthroplasty is a strong predictor of persistent opioid use 90 days after surgery: a prospective, observational study

Characteristic

Odds Ratio

95% Confidence Interval

p-value

Age (per year)

0.972

0.958

0.987

0.0003

Sex (reference female)

0.69

0.517

0.921

0.0118

Surgery joint (reference THA)

3.128

2.268

4.315

< .0001

Co-morbid condition

2.174

1.104

4.282

0.0248

Major complication post-discharge

2.863

1.871

4.381

< .0001

Pre-operative opioid use

3.943

2.849

5.459

< .0001

Current smoker at time of surgery

1.976

1.265

3.087

0.0028

Inpatient Rehabilitation

1.876

1.394

2.523

< .0001

EQ-5D Baseline Pain/Discomfort (per increase in pain/discomfort level)

1.261

1.06

1.501

0.009

ASA score (reference = 1,2)

1.343

1.003

1.799

0.0477

  1. Legend: Reference group = No, unless otherwise stated; Co-morbid condition: The presence of any medicated comorbid condition was treated as binary (Yes/No). ASA score: The American Society of Anesthesiologists (ASA) score