Annals of Coloproctology

Original Article

Anorectal physioloy

Validation of low anterior resection syndrome score in Brazil with Portuguese: Kelly C.L.R. Buzatti, Andy Petroianu, Søren Laurberg, Rodrigo G. Silva, Beatriz D.S. Rodrigues, Peter Christensen, Antonio Lacerda-Filho, Therese Juul; Ann Coloproctol. 2023;39(5):402-409. Published online May 13, 2022; DOI: https://doi.org/10.3393/ac.2022.00136.0019

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Purpose
This study was performed to investigate the convergent validity, discriminative validity, and reliability of the Brazilian version of the low anterior resection syndrome (LARS) score in a population with low educational and socioeconomic levels.
Methods
The LARS score was translated into the Portuguese language by forward- and back-translation procedures. In total, 127 patients from a public hospital in Brazil completed the questionnaires. The convergent validity was tested by comparing the LARS score with the European Organization for Research and Treatment of Cancer (EORTC) Quality of Life Questionnaire Core Module 30 (QLQ-C30) and with patients’ self-reported quality of life. For the discriminative validity, we tested the ability of the score to differentiate among subgroups of patients regarding neoadjuvant radiotherapy, type of surgery, and tumor distance from the anal verge. The test-retest reliability was investigated in a subgroup of 36 patients who responded to the survey twice in 2 weeks.
Results
The LARS score demonstrated a strong correlation with 5 of 6 items from the EORTC QLQ-C30 (P<0.05) and good concordance with patients’ self-reported quality of life (95.3%), confirming the convergent validity. The score was able to discriminate between subgroups of patients with different clinical characteristics related to LARS (P<0.001). The agreement between the test and retest showed that 86.1% of the patients remained in the same LARS category, and there was no significant difference between the LARS score numerical values (P=0.80), indicating good reliability overall.
Conclusion
The Brazilian version of the LARS score is a valid and reliable instrument to assess postoperative bowel function in a population with low educational and socioeconomic levels.

Citations

Citations to this article as recorded by

Effects of low anterior resection syndrome after colorectal cancer resections on health-related quality of life: a systematic review and meta-analysis
S. Shojaei-Zarghani, K. Gorgi, A. Bananzadeh, A. R. Safarpour, S. V. Hosseini
Techniques in Coloproctology.2025;[Epub] CrossRef
Validation of the Vietnamese version of the low anterior resection syndrome score questionnaire
Tuong-Anh Mai-Phan, Vu Quang Pham
Annals of Coloproctology.2024; 40(6): 588. CrossRef
Beyond survival: a comprehensive review of quality of life in rectal cancer patients
Won Beom Jung
Annals of Coloproctology.2024; 40(6): 527. CrossRef

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