This study aims to estimate the proportion of patients seen in the anesthesiology consultation for planned surgery in whom a previously unknown health risk situation is detected (e.g., obesity, anemia, etc.).

Inclusion Criteria:

• Men and women aged 18 to 50 years.

  • Indication for elective surgery.
  • In-person preoperative evaluation in the scheduled Anesthesiology consultation.

Exclusion Criteria:

• Indication for non-deferrable urgent surgery.
• Pregnant women.
• Pre-surgical visit outside the anesthesia consultation.
• Incomplete preoperative evaluation, as indicated in the final section (preoperative judgment) of the anesthesia visit report.

Patients evaluated in person at the preoperative anesthesia consultation for a scheduled surgery indication.

IPD (without personal identification data) could be shared by requirement from other researchers after the end of the study, and only for research purposes and previous approval of promotor center of the study (CSAPG). Anyway, Spanish and European Union legal policy about data protection will strictly be followed (IPD will not be transferred outside European Union).

After publication of main results of the study.

IPD will be shared only for scientific research purposes and following the Spanish and European Union normative law about data protection. The requirements will be directed to the IP of the study. The IP will evaluate the request to verify and evaluate the data that is requested and the purposes for which it is requested. Next, the IP will transfer the request to the promotor center the study for the final decision.