The Patient and Observer Scar Assessment Scale
The POSAS is a reliable and valid scar assessment scale that measures scar quality from two perspectives: the patient and the clinician. The POSAS measures scar quality in all types of scars and can be used in clinical and research settings.
POSAS 3.0 FEATURES
WORK WITH POSAS 3.0
The POSAS can be used free of charge by researchers without commercial interest. We do, however, request a fee for commercial use of the POSAS (i.e. involvement of a manufacturer/supplier in the study) in order to maintain the POSAS website and continue the development of the POSAS.
The introduction of the Patient and Observer Scar Assessment Scale (POSAS) in 2004 was a turning point in the assessment of scars through the use of scales. The POSAS was the first scale to take into account both the patient and provider perspective.
From: A review of scar assessment scales,
Tuyet A Nguyen et al. Seminars in Cutaneous Medicine and Surgery, Vol. 34, March 2015
ARTICLES
Learn more about scar formation and outcome measurements
The MIC and the MCID of the POSAS 2.0
Knowing the minimal important change (MIC) and the minimal clinically important difference (MCID) is crucial to determine if a POSAS 2.0 score represents a clinically relevant change or difference. These results were published in the journal Burns in 2024.
