Related Experiment Videos
The MISTELS program to measure technical skill in laparoscopic surgery : evidence for reliability.
M C Vassiliou1, G A Ghitulescu, L S Feldman
1Steinberg-Bernstein Centre for Minimally Invasive Surgery, Department of Surgery, McGill University Health Centre, 1650 Cedar Avenue, #L9.309, Montreal, Quebec, H3G 1A4, Canada.
Surgical Endoscopy
|March 2, 2006
Summary
The McGill Inanimate System for Training and Evaluation of Laparoscopic Skills (MISTELS) demonstrates excellent reliability for laparoscopic skills assessment. Its metrics exceed standards for high-stakes evaluations, supporting its use in training programs.
Area of Science:
- Surgical Education
- Medical Simulation
- Laparoscopic Skills Assessment
Background:
- The McGill Inanimate System for Training and Evaluation of Laparoscopic Skills (MISTELS) is a validated tool for laparoscopic skill assessment.
- It features five tasks with an objective scoring system.
Purpose of the Study:
- To evaluate the interrater and test-retest reliability of MISTELS metrics.
- To assess the internal consistency of the MISTELS tasks.
Main Methods:
- Interrater reliability was determined by two observers scoring 10 subjects.
- Test-retest reliability was assessed with 12 subjects performing the test twice.
- Intraclass correlation coefficients and Cronbach's alpha were used for statistical analysis.
Main Results:
- Excellent interrater reliability (0.998) and test-retest reliability (0.892) were found for total MISTELS scores.
- Internal consistency, measured by Cronbach's alpha, was 0.86.
Conclusions:
- MISTELS metrics exhibit excellent reliability, surpassing the 0.8 threshold for high-stakes evaluations.
- These findings support MISTELS' utility in various settings, including surgical residency training.