Visual Analog Scale (VAS)
psoriatic arthritis, Pain, pain
PSORIATIC ARTHRITIS
Pain intensity was measured using a visual analog scale (VAS). Patients were asked to rate the pain they experienced during the last week on a 100 mm line anchored by two descriptors: 0 meaning “no pain” and 100 meaning “unbearable pain”. A change of >10 mm in the VAS score mm has been considered a clinically important difference in previous studies that focused on patients with psoriatic arthritis [