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Canadian Journal of Respiratory, Critical Care, and Sleep Medicine
Revue canadienne des soins respiratoires et critiques et de la médecine du sommeil
Volume 6, 2022 - Issue 6
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Original Research

Comparison of STOP-Bang and STOP-Bag questionnaires in stratifying risk of obstructive sleep apnea

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Pages 359-366 | Published online: 24 May 2022
 

Abstract

RATIONALE AND OBJECTIVE: The snoring, tiredness, observed apnea, high BP, BMI, age, neck circumference, and male gender (STOP-Bang) questionnaire is used widely to screen individuals at high risk of OSA. The objective of the study is to examine the diagnostic performance of the STOP-Bang questionnaire versus the STOP-Bag (without neck circumference) questionnaire. We hypothesized that the diagnostic performance of the STOP-Bang questionnaire would be higher than STOP-Bag questionnaire.

METHODS: A retrospective study was conducted that included patients from two preoperative clinics. All participants completed the STOP-Bang questionnaire and underwent polysomnography (PSG). The diagnostic parameters were calculated for the STOP-Bang questionnaire and the STOP-Bag questionnaire versus polysomnography as the reference standard.

RESULTS: There were 203 patients with mean age of 57 ± 13 years and 51% were male. The STOP-Bang questionnaire had a significantly higher area under receiver operating curve than the STOP-Bag questionnaire (0.782 vs 0.758, P < 0.05) in detection of mild to severe OSA in surgical patients. Similarly, the STOP-Bang questionnaire had significantly higher sensitivity when compared to the STOP-Bag questionnaire (85.5% vs 81.3%, P < 0.05). The area under the curve for screening moderate-to-severe and severe OSA was not significantly different for STOP-Bang and STOP-Bag questionnaires.

CONCLUSION: Compared to the STOP-Bag questionnaire, the STOP-Bang questionnaire has higher diagnostic performance in predicting all OSA, but the 2 questionnaires were similar for moderate-to-severe and severe OSA. The STOP-Bag questionnaire can be used for screening OSA when neck circumference measurement is not feasible.

RÉSUMÉ

JUSTIFICATION ET OBJECTIF: Le questionnaire STOP-Bang est largement utilisé pour dépister les personnes à haut risque d’apnée obstructive du sommeil. L’objectif de l’étude est d’examiner la performance diagnostique du questionnaire STOP-Bang par rapport au questionnaire STOP-Bag (sans circonférence du cou). Nous avons émis l’hypothèse que la performance diagnostique du questionnaire STOP-Bang serait supérieure à celle du questionnaire STOP-Bag.

MÉTHODES: Une étude rétrospective a été menée auprès de patients de deux cliniques préopératoires. Tous les participants ont rempli le questionnaire STOP-Bang [S : Ronflement, T : Fatigue, O : Apnée observée, P : Tension artérielle, B : IMC (> 35 kg/m2), a : âge (> 50 ans), n : circonférence du cou (> 40 cm), et g : sexe (homme)] et ont subi une polysomnographie. Les paramètres diagnostiques ont été calculés pour le questionnaire STOP-Bang et le questionnaire STOP-Bag et comparés à la polysomnographie comme étalon de référence.

RÉSULTATS: Il y avait 203 patients avec un âge moyen de 57 ± 13 ans et 51% étaient des hommes. Le questionnaire STOP-Bang présentait une surface sous la courbe de fonctionnement du récepteur significativement plus élevée que le questionnaire STOP-Bag (0,782 comparativement à 0,758, P < 0,05) dans la détection d’une apnée obstructive du sommeil légère à sévère chez les patients chirurgicaux. De même, le questionnaire STOP-Bang présentait une sensibilité significativement plus élevée par rapport au questionnaire STOP-Bag (85,5 % comparativement à 81,3 %, p < 0,05). La zone sous la courbe pour le dépistage de l’apnée obstructive du sommeil modérée à sévère et sévère n’était pas significativement différente pour les questionnaires STOP-Bang et STOP-Bag.

CONCLUSION Comparativement au questionnaire STOP-Bag, le questionnaire STOP-Bang a une performance diagnostique plus élevée dans la prédiction de toutes les apnées du sommeil, mais les deux questionnaires étaient similaires pour les apnées obstructives du sommeil modérées à sévères et sévères. Le questionnaire STOP-Bag peut être utilisé pour le dépistage de l’apnée obstructive du sommeil lorsque la mesure de la circonférence du cou n’est pas possible.

Acknowledgments

We wish to thank Sazzadul Islam and Aparna Saripella for assisting us with data related queries.

Disclosure statement

F. Chung reports grants from the University Health Network Foundation and personal fees from Takeda Pharma outside the submitted work. STOP-BANG questionnaire is proprietary to University Health Network. All other authors have nothing to declare.

The study funders/sponsors had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.

Ethics approval

All procedures performed in the studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

Informed consent

Informed consent was obtained from all individual participants included in the study.

Additional information

Funding

This work was supported by the Physicians Services Incorporated Foundation, the University Health Network Foundation, the ResMed Foundation, the Respironic Foundation and the Department of Anesthesia, University Health Network-Mount Sinai Hospital, University of Toronto.

Notes on contributors

Rida Waseem

R. Waseem contributed to data interpretation and writing of the manuscript. Y. Salama contributed to statistical analysis and writing of the manuscript. M. Baltzan contributed to study concept and writing of the manuscript. F. Chung contributed to study concept and design, data acquisition and interpretation and writing of the manuscript. She had full access to all the data and take responsibility for the integrity and the accuracy of the data analysis.

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