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Table 3 Patient-level acute care utilization 2 years before randomization, among primary care patients with OUDa

From: Baseline representativeness of patients in clinics enrolled in the PRimary care Opioid Use Disorders treatment (PROUD) trial: comparison of trial and non-trial clinics in the same health systems

Annual days per patient of:

Patients with documented OUD diagnosisa

10 PROUD trial clinics

20 non-trial clinics

Rate ratio (95% CI)

from mixed-effect Poisson model

Any urgent care, emergency department, or inpatient care utilizationb

   

 Median (IQR)

1.5 (0.0 to 5.0)

1.0 (0.0 to 4.5)

 

 Mean (SD)

4.7 (10.0)

4.6 (9.2)

1.04 (0.76 to 1.42)

Urgent care or emergency department utilizationc

   

 Median (IQR)

0.5 (0.0 to 1.5)

0.5 (0.0 to 2.0)

 

 Mean (SD)

1.4 (2.6)

1.5 (2.5)

1.04 (0.74 to 1.48)

Inpatient care utilization (hospitalization)

   

 Median (IQR)

0.0 (0.0 to 2.5)

0.0 (0.0 to 2.5)

 

 Mean (SD)

3.3 (9.1)

3.2 (8.1)

1.00 (0.68 to 1.46)

  1. OUD Opioid use disorder, IQR Interquartile range, SD Standard deviation
  2. aDefined as a documented OUD diagnosis in the 3 years before randomization
  3. bSecondary PROUD trial outcome
  4. cWe assumed urgent care and emergency department visits to be 1 day in length