We analyzed postoperative outcomes and analgesic management in patients from tertiary care Spanish hospitals. The study serves as a point of comparison with other Western countries and shows that pain intensity outcomes and opioid consumption were slightly better in the Spanish population. Chronic pain before surgery (numeric rating scale score >7) and/or chronic opioid consumption, were associated with worsened pain outcomes, suggesting that rigorous control of chronic pain before surgery, and combining opioids with adjuvants and other analgesics perioperatively, might improve outcomes. Patients' pain participation in decision-making was inadequate and should be improved in Spanish hospitals.

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Supplemental Digital Content is Available in the Text. The reliability and validity of International Pain Outcome questionnaire Spanish adaptation is confirmed in a large heterogeneous sample. Factor scores can be used as a global outcome analysis tool.