Abstract
BackgroundThe aim of this study is to evaluate whether the parameters ‘time’ and ‘distance’, measured by SurgTrac, correlate with the assessment of the same skills by blinded experts. MethodsBasic open suturing tasks were executed by medical students. SurgTrac software measured objective parameters by tracking fingers. The executed tasks were recorded by a tablet and additionally assessed by a blinded expert with a Competency Assessment Tool-form (CAT-form). A Pearson's correlation was used to investigate the correlation between the parameters and the outcomes of the expert assessment. ResultsA strong correlation between the measured parameters of SurgTrac and the expert-assessment was found for knot tying by hand (r = −0.703) and vertical mattress suture (r = −0.644) and a moderate correlation for transcutaneous suture (r = −0.555) and intracutaneous suture (r = −0.451). ConclusionThe use of finger tracking by SurgTrac showed a good concurrent validity for the basic open suturing tasks knot tying by hand, transcutaneous suture and vertical mattress suture.
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