Figure 1.
Timeline of the study procedure: State Trait Anxiety Inventory Questionnaire (STAI); Amsterdam Preoperative Anxiety and Information Scale (APAIS); heart rate variability (HRV); galvanic skin response (GSR).
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.