Abstract
Little is known about facial function assessments of inexperienced observers in facial palsy. In this observational study learning curve was examined of two inexperienced observers assessing facial function of 100 patients using the Sunnybrook Facial Grading System. Interobserver agreement gradually improved over time, stabilizing after approximately 70 assessments. Best agreement on the voluntary movement subscore was observed, followed by synkinesis and resting symmetry subscores. Inexperienced observers can perform facial function assessments in facial palsy, but should be adequately trained first.
Highlights
Assessment of facial function in facial palsy patients is important to evaluate current status and treatment effect
Descriptive statistics were presented as numbers and frequencies, mean and standard deviation (SD) and median and interquartile range (IQR) when appropriate
We described the results of only one protocol
Summary
Assessment of facial function in facial palsy patients is important to evaluate current status and treatment effect. The Sunnybrook Facial Grading System (SB) is one of the clinician grading's of facial function.[1] Inter- and intraobserver reliability ranges from 0.838 to 0.980 and 0.831 to 0.997, respectively.[2] most reliability studies included experienced observers. Facial palsy assessment is often done by medical students. General practitioners and starting residents or physical therapists may not have extensive experience in facial palsy assessment using the SB. Aim of this study was to analyse a learning curve for facial function assessment in facial palsy using the SB in a 7-week prospective observational study with two inexperienced final-year medical students
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