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Development and validation of the Epilepsy Surgery Satisfaction Questionnaire (ESSQ‐19).

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Title: Development and validation of the Epilepsy Surgery Satisfaction Questionnaire (ESSQ‐19).
Authors: Wiebe, Samuel (AUTHOR), Wahby, Sandra (AUTHOR), Lawal, Oluwaseyi A. (AUTHOR), Sajobi, Tolulope T. (AUTHOR), Keezer, Mark R. (AUTHOR), Nguyen, Dang K. (AUTHOR), Malmgren, Kristina (AUTHOR), Tellez‐Zenteno, Jose (AUTHOR), Atkinson, Mark J. (AUTHOR), Hader, Walter J. (AUTHOR), Josephson, Colin B. (AUTHOR), Macrodimitris, Sophia (AUTHOR), Patten, Scott B. (AUTHOR), Pillay, Neelan (AUTHOR), Sharma, Ruby (AUTHOR), Singh, Shaily (AUTHOR), Starreveld, Yves (AUTHOR)
Source: Epilepsia (Series 4). Dec2020, Vol. 61 Issue 12, p2729-2738. 10p.
Subjects: Epilepsy surgery, Classical test theory, Exploratory factor analysis, Confirmatory factor analysis, Intraclass correlation, Statistical reliability
Geographic Terms: Sweden, Canada
Abstract: Objective: No validated tools exist to assess satisfaction with epilepsy surgery. We aimed to develop and validate a new measure of patient satisfaction with epilepsy surgery, the 19‐item Epilepsy Surgery Satisfaction Questionnaire (ESSQ‐19). Methods: An initial 31‐item measure was developed based on literature review, patient focus groups, thematic analysis, and Delphi panels. The questionnaire was administered twice, 4‐6 weeks apart, to 229 adults (≥18 years old) who underwent epilepsy surgery ≥1 year earlier, at three centers in Canada and one in Sweden. Participants also completed seven validated questionnaires to assess construct validity. Exploratory factor analysis (EFA) and confirmatory factor analysis (CFA) assessed the factorial structure of the questionnaire. Cronbach alpha and intraclass correlation coefficients (ICCs) assessed the internal consistency and test‐retest reliability of the ESSQ‐19. Spearman and polyserial correlations assessed construct validity. Results: Median age of participants and time since surgery were 42 years (interquartile range [IQR] = 32‐54) and 5 years (IQR = 2‐8.75), respectively. EFA and CFA yielded 18 items that segregated into four domains (mean score [SD]), namely, seizure control (76.4 [25]), psychosocial functioning (67.3 [26]), surgical complications (84 [22]), and recovery from surgery (73 [24]), one global satisfaction item, and a summary global score (74 [21]). The domain and summary scores demonstrated good to excellent internal reliability (Cronbach ⍺ range =.84‐.95) and test‐retest reliability (ICC range = 0.71‐0.85). Construct validity was supported by predicted correlations with other instruments. Significance: The ESSQ‐19 is a new, valid, and reliable measure of patient satisfaction with epilepsy surgery that can be used in clinical and research settings. [ABSTRACT FROM AUTHOR]
Copyright of Epilepsia (Series 4) is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Development and validation of the Epilepsy Surgery Satisfaction Questionnaire (ESSQ‐19).
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  Data: <searchLink fieldCode="AR" term="%22Wiebe%2C+Samuel%22">Wiebe, Samuel</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wahby%2C+Sandra%22">Wahby, Sandra</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lawal%2C+Oluwaseyi+A%2E%22">Lawal, Oluwaseyi A.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sajobi%2C+Tolulope+T%2E%22">Sajobi, Tolulope T.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Keezer%2C+Mark+R%2E%22">Keezer, Mark R.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Nguyen%2C+Dang+K%2E%22">Nguyen, Dang K.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Malmgren%2C+Kristina%22">Malmgren, Kristina</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Tellez‐Zenteno%2C+Jose%22">Tellez‐Zenteno, Jose</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Atkinson%2C+Mark+J%2E%22">Atkinson, Mark J.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hader%2C+Walter+J%2E%22">Hader, Walter J.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Josephson%2C+Colin+B%2E%22">Josephson, Colin B.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Macrodimitris%2C+Sophia%22">Macrodimitris, Sophia</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Patten%2C+Scott+B%2E%22">Patten, Scott B.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Pillay%2C+Neelan%22">Pillay, Neelan</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sharma%2C+Ruby%22">Sharma, Ruby</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Singh%2C+Shaily%22">Singh, Shaily</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Starreveld%2C+Yves%22">Starreveld, Yves</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Epilepsia+%28Series+4%29%22">Epilepsia (Series 4)</searchLink>. Dec2020, Vol. 61 Issue 12, p2729-2738. 10p.
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  Data: <searchLink fieldCode="DE" term="%22Epilepsy+surgery%22">Epilepsy surgery</searchLink><br /><searchLink fieldCode="DE" term="%22Classical+test+theory%22">Classical test theory</searchLink><br /><searchLink fieldCode="DE" term="%22Exploratory+factor+analysis%22">Exploratory factor analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Confirmatory+factor+analysis%22">Confirmatory factor analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Intraclass+correlation%22">Intraclass correlation</searchLink><br /><searchLink fieldCode="DE" term="%22Statistical+reliability%22">Statistical reliability</searchLink>
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  Data: <searchLink fieldCode="DE" term="%22Sweden%22">Sweden</searchLink><br /><searchLink fieldCode="DE" term="%22Canada%22">Canada</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Objective: No validated tools exist to assess satisfaction with epilepsy surgery. We aimed to develop and validate a new measure of patient satisfaction with epilepsy surgery, the 19‐item Epilepsy Surgery Satisfaction Questionnaire (ESSQ‐19). Methods: An initial 31‐item measure was developed based on literature review, patient focus groups, thematic analysis, and Delphi panels. The questionnaire was administered twice, 4‐6 weeks apart, to 229 adults (≥18 years old) who underwent epilepsy surgery ≥1 year earlier, at three centers in Canada and one in Sweden. Participants also completed seven validated questionnaires to assess construct validity. Exploratory factor analysis (EFA) and confirmatory factor analysis (CFA) assessed the factorial structure of the questionnaire. Cronbach alpha and intraclass correlation coefficients (ICCs) assessed the internal consistency and test‐retest reliability of the ESSQ‐19. Spearman and polyserial correlations assessed construct validity. Results: Median age of participants and time since surgery were 42 years (interquartile range [IQR] = 32‐54) and 5 years (IQR = 2‐8.75), respectively. EFA and CFA yielded 18 items that segregated into four domains (mean score [SD]), namely, seizure control (76.4 [25]), psychosocial functioning (67.3 [26]), surgical complications (84 [22]), and recovery from surgery (73 [24]), one global satisfaction item, and a summary global score (74 [21]). The domain and summary scores demonstrated good to excellent internal reliability (Cronbach ⍺ range =.84‐.95) and test‐retest reliability (ICC range = 0.71‐0.85). Construct validity was supported by predicted correlations with other instruments. Significance: The ESSQ‐19 is a new, valid, and reliable measure of patient satisfaction with epilepsy surgery that can be used in clinical and research settings. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Epilepsia (Series 4) is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1111/epi.16709
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        Text: English
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