Multivariate logistic regression analysis, hip surgery.
* Variables entered on step 1: Sex, Age, BMI, Psychiatric comorbidity, Preoperative opioid use, Dexamethasone, Ketamine, Clonidine. ** Variables entered on step 1: Sex, Age, BMI, Diabetes, Respiratory comorbidity, Spinal anesthesia, Locoregional anesthesia, LIA, Dexamethasone. *** Variables entered on step 1: Sex, Age, BMI, Psychiatric comorbidity, LIA, NSAID, Dexamethasone. **** Variables entered on step 1: Sex, Age, BMI, Addictive disorder, Spinal anesthesia, General anesthesia, Locoregional anesthesia, NSAID, Dexamethasone, Gabapentinoids. (XLSX)