Risk factors for new chronic opioid use after hip fracture surgery: a Danish nationwide cohort study from 2005 to 2016 using the Danish multidisciplinary hip fracture registry

Study (37,202 opioid non-user patients who underwent hip fracture surgery) found 15% developed new chronic opioid user within 1 year of surgery. Risk factors included high (>25.0kg/m2) or low (<18.5kg/m2) BMI, and pre-operative NSAID and SSRI use.

BMJ Open