Table 3.

Unadjusted time trends in outcomes of OUD hospitalizations for each of the 5 musculoskeletal disease cohorts.

Healthcare Utilization and Mortality OutcomesGoutRAFMOALBP
Total hospital charges above the median
  1998–200082.3424346.246.8
  2015–201647.847.342.344.240.5
Nonhome discharge
  1998–200036.721.825.722.216.9
  2015–20163022.723.724.821.9
Length of hospital stay > 3 days
  1998–20006732.330.737.930.8
  2015–201642.535.83740.536.6
In-hospital mortality
  1998–20009.3NAa0.80.72.7
  2015–20161.90.71.61.11.1
  • Values are expressed in %.

  • a NA since there were no deaths in the RA cohort in 1998–2000. FM: fibromyalgia; LBP: low back pain; NA: not applicable; OA: osteoarthritis; OUD: opioid use disorder; RA: rheumatoid arthritis.