About this trial
This study will use a factorial design to compare the effects of different colors and shapes on patients' preoperative anxiety.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Patients scheduled for elective surgery
age ≥18 yrs old
Disqualifiers
Frail patients who can not freely sit on the seat
Patients with difficulty in communication
Patients with color vision deficiency
Patients with injury or neurological dysfunction influencing function of hand
Trial design
Factorial
Treatments tested in this trial
warm color
Behavioralred and yellow color picture is used
cold color
Behavioralblue and green color is used
sharp shape
Behavioraltriangle shaped picture is used
smooth shape
Behavioralcircle and curve are used
Treatment groups
Trial outcomes
Primary outcomes
score of visual analogue scale (VAS) of anxiety
The Visual Analog Scale for Anxiety (VAS-A) is a single-item, quick-assessment tool consisting of a 100-mm horizontal line anchored by "no anxiety" at the left end (0 mm) and "worst possible anxiety" at the right end (100 mm). Patients were instructed to mark the point that best represented their current level of anxiety.
Secondary outcomes
heart rate
score of State-Trait Anxiety Inventory-State (STAI-S)
The State-Trait Anxiety Inventory-State (STAI-S) is a 20-item self-report questionnaire designed to assess transient or situational anxiety levels. Each item is rated on a 4-point Likert scale ranging from 1 ("not at all") to 4 ("very much so"), with total scores ranging from 20 to 80. Higher scores indicate higher levels of anxiety.
score of visual analogue scale (VAS) of anxiety
The Visual Analog Scale for Anxiety (VAS-A) is a single-item, quick-assessment tool consisting of a 100-mm horizontal line anchored by "no anxiety" at the left end (0 mm) and "worst possible anxiety" at the right end (100 mm). Patients were instructed to mark the point that best represented their current level of anxiety.
Engagement level during the painting task
measured by a 0-10 subjective rating scale, 0 is not engaged, 10 is totally engaged
Other outcomes
Individual preferences for colors and shapes
1, prefer curve and warm color; 2, prefer angle and warm color; 3, prefer curve and cold color; 4, prefer angle and cold color
Locations
Sponsors and contacts
Click on the lead sponsor to view all of their trials.
Zhihong LU
Lead sponsor
Air Force Military Medical University, China
Sponsor institution
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