Key result
There was a very high correlation (r=0.96, p=0.01) between the OSATS and GOALS assessment scales for evaluating laparoscopic technical skills in surgical residents.
Cross-Sectional (n=14)
No
Effect estimate: Pearson's r 0.96
p-value: p=0.01
There is a very high correlation between OSATS and GOALS rating scales for assessing laparoscopic skills, suggesting either may be used for summative assessments of trainee skill.
High correlation supports potential scale interchangeability for resident assessment; leaves open validation in larger cohorts before practice adoption.
Background Both general and technique-specific assessments of technical skill have been validated in surgical education. The purpose of this study was to assess the correlation between the objective structured assessment of technical skills (OSATS) and the global operative assessment of laparoscopic skills (GOALS) rating scales using a high-fidelity porcine laparoscopic cholecystectomy model. Methods Post-graduate year-one general surgery and urology residents (n=14) performed a live laparoscopic porcine cholecystectomy. Trained surgeons rated their performance using OSATS and GOALS assessment scales. Results Pearson's correlation coefficient between OSATS and GOALS was 0.96 for overall scores. It ranged from 0.78 - 0.89 for domains that overlapped between the two scales. Conclusion There is a very high correlation between OSATS and GOALS. This implies that they likely measure similar constructs and that either may be used for summative-type assessments of trainee skill. However, further investigation is needed to determine if technique-specific assessments may provide more useful feedback in formative evaluation.
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Vergis et al. (2017) conducted a cross-sectional in Laparoscopic technical skills assessment (n=14). OSATS and GOALS assessment scales was evaluated on Correlation between OSATS and GOALS overall scores (Pearson's r 0.96, p=0.01). There was a very high correlation (r=0.96, p=0.01) between the OSATS and GOALS assessment scales for evaluating laparoscopic technical skills in surgical residents.
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