Validation of the suter questionnaire after laparoscopic sleeve gastrectomy in the Greek population
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Published on: November 14, 2020
Georgia Katsogridaki1, Dimitrios Zacharoulis1, Antonis Galanos2
1Department of Surgery, University Hospital of Larissa, University of Thessaly, Larissa, Greece.
Background & Aims:
The purpose of this study was to validate the Greek version of Suter questionnaire in order to be used for the evaluation of patients after Laparoscopic Sleeve Gastrectomy (LSG).
Methods:
A total of 170 patients were enrolled in the study.
Results:
The correlation coefficients for criterion validity had range between 0.202 (Food Tolerance) and 0.252 (Suter Total Score) (p < 0.05).There was moderate correlation between the questionnaire's subscales and the Hematocrit which satisfied the criterion validity marginally. The internal consistency measured with Cronbach's alpha yielded a value of 0.866 for the factor tolerance and 0.78 for the factor symptoms, which indicate excellent internal consistency. Excellent test-retest reliability with ICC of 0.997 for food tolerance and 0.990 for symptoms were also observed. The Suter questionnaire demonstrated a high sensitivity to detect clinical changes.
Conclusion:
The Greek version of Suter questionnaire seemed to be valid and reliable to assess morbidly obese patients after LSG.
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Data Validation
Key parameters for method validation include:

