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      Reliability and Validity of the Adapted Chinese Version of the Satisfaction of Adolescents with Postoperative Pain Management – Idiopathic Scoliosis (SAP-S) Scale

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          Abstract

          Study Design

          A prospective study.

          Objective

          The aim of this study was to evaluate the internal reliability and structure validity of an adapted simplified Chinese version of the Satisfaction of Adolescents with Postoperative pain management – idiopathic Scoliosis (SAP-S) scale in mainland China.

          Summary of Background Data

          Pain management is a major issue for adolescent idiopathic scoliosis (AIS) patients undergoing posterior spinal fusions. There is a lack of valid scales for evaluating patients’ satisfaction with postoperative pain management. The SAP-S was proven to be a valid and reliable measure in English and French.

          Methods

          The SAP-S was translated into Chinese according to the internationally recognized guidelines. A total of 95 AIS patients undergoing posterior fusion surgery completed the CSAP-S, along with other self-reported questionnaires, including the 36-Item Short Form Health Survey (SF-36) and Scoliosis Research Society-22 (SRS-22) questionnaires. The internal consistency, test–retest reliability, and construct validity of the CSAP-S were determined.

          Results

          The SAP-S was successfully translated into Chinese. All patients completed the CSAP-S twice and the other instruments. The CSAP-S had good internal consistency and test–retest reliability with Cronbach’s alpha coefficient measuring 0.895 and intraclass correlation coefficient (ICC) measuring 0.97. Elimination of any one item did not result in a value of Cronbach’s alpha of <0.80. A good construct validity was shown by good correlation with bodily pain (r=0.883, p=0.004) and social functioning (r=0.786, p=0.002) domains of SF-36 and pain (r=0.752, p=0.001) and satisfaction with management (r=0.746, p=0.005) domains of SRS-22.

          Conclusion

          The CSAP-S demonstrated good internal consistency, reliability, and construct validity, and may be used for the evaluation of AIS patients’ satisfaction with postoperative pain management in mainland China.

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          Most cited references 20

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          The Measurement of Observer Agreement for Categorical Data

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            Guidelines for the Process of Cross-Cultural Adaptation of Self-Report Measures

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              Quality criteria were proposed for measurement properties of health status questionnaires.

              Recently, an increasing number of systematic reviews have been published in which the measurement properties of health status questionnaires are compared. For a meaningful comparison, quality criteria for measurement properties are needed. Our aim was to develop quality criteria for design, methods, and outcomes of studies on the development and evaluation of health status questionnaires. Quality criteria for content validity, internal consistency, criterion validity, construct validity, reproducibility, longitudinal validity, responsiveness, floor and ceiling effects, and interpretability were derived from existing guidelines and consensus within our research group. For each measurement property a criterion was defined for a positive, negative, or indeterminate rating, depending on the design, methods, and outcomes of the validation study. Our criteria make a substantial contribution toward defining explicit quality criteria for measurement properties of health status questionnaires. Our criteria can be used in systematic reviews of health status questionnaires, to detect shortcomings and gaps in knowledge of measurement properties, and to design validation studies. The future challenge will be to refine and complete the criteria and to reach broad consensus, especially on quality criteria for good measurement properties.
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                Author and article information

                Journal
                J Pain Res
                J Pain Res
                jpr
                jpainres
                Journal of Pain Research
                Dove
                1178-7090
                12 April 2021
                2021
                : 14
                : 953-960
                Affiliations
                [1 ]Department of Orthopedics, Changzheng Hospital, Naval Medical University , Shanghai, 200003, People’s Republic of China
                [2 ]Health Management Center, Changzheng Hospital, Naval Medical University , Shanghai, 200003, People’s Republic of China
                Author notes
                Correspondence: Yichen Meng; Xuhui Zhou Tel +86 21 81886999Fax +86 21 63520020 Email ycmengspine@smmu.edu.cn; zhouxuhui@smmu.edu.cn
                [*]

                These authors contributed equally to this work

                Article
                301205
                10.2147/JPR.S301205
                8052124
                © 2021 Zhang et al.

                This work is published and licensed by Dove Medical Press Limited. The full terms of this license are available at https://www.dovepress.com/terms.php and incorporate the Creative Commons Attribution – Non Commercial (unported, v3.0) License ( http://creativecommons.org/licenses/by-nc/3.0/). By accessing the work you hereby accept the Terms. Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed. For permission for commercial use of this work, please see paragraphs 4.2 and 5 of our Terms ( https://www.dovepress.com/terms.php).

                Page count
                Figures: 2, Tables: 8, References: 21, Pages: 8
                Funding
                Funded by: no funding to report;
                There is no funding to report.
                Categories
                Original Research

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