Validation of the Spanish Version of the Self-Administered Patient Satisfaction Scale (SAPS) for Total Hip and Knee Arthroplasty
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Published:
Dec 31, 2022
Keywords:
Satisfaction, functionality, total hip arthroplasty, total knee arthroplasty, clinical outcomes
Main Article Content
Abstract
Introduction: Patient satisfaction is an important parameter when evaluating clinical outcomes after total hip (THA) or knee (TKA) arthroplasty. The objective of this work was to validate the Spanish version of the Self-Administered Patient Satisfaction scale (SAPS) for THA or TKA, as well as to study its psychometric properties.
Materials and Methods: A cross-sectional validation study was carried out to evaluate the content, internal consistency, and criterion validity of the SAPS scale. A total of 105 subjects who were treated with THA or TKA were included. Criterion validity was assessed with the WOMAC scale (Western Ontario and McMasterUniversities Osteoarthritis Index) and SF-36 (Short Form 36 Health Survey).
Results: Fifty patients undergoing THA and 55 undergoing TKA were analyzed at a median follow-up of 14 months (Interquartile range, 11-19) after surgery, with a mean age of 71.3 ± 11.6 years; 73.3% (77) were women. Cronbach’s alpha was 0.797, indicating an acceptable internal consistency. A moderate correlation was found between the SAPS scale and the WOMAC scale (Spearman’s coefficient: 0.488, p <0.05), as well as with the physical component of the SF-36 (Spearman’s coefficient: 0.525, p <0.05).
Conclusion: The Spanish version of the SAPS scale is a valid and reliable tool to measure patient satisfaction after THA or TKA, with psychometric properties similar to those of the original scale.
Level of Evidence: II
Materials and Methods: A cross-sectional validation study was carried out to evaluate the content, internal consistency, and criterion validity of the SAPS scale. A total of 105 subjects who were treated with THA or TKA were included. Criterion validity was assessed with the WOMAC scale (Western Ontario and McMasterUniversities Osteoarthritis Index) and SF-36 (Short Form 36 Health Survey).
Results: Fifty patients undergoing THA and 55 undergoing TKA were analyzed at a median follow-up of 14 months (Interquartile range, 11-19) after surgery, with a mean age of 71.3 ± 11.6 years; 73.3% (77) were women. Cronbach’s alpha was 0.797, indicating an acceptable internal consistency. A moderate correlation was found between the SAPS scale and the WOMAC scale (Spearman’s coefficient: 0.488, p <0.05), as well as with the physical component of the SF-36 (Spearman’s coefficient: 0.525, p <0.05).
Conclusion: The Spanish version of the SAPS scale is a valid and reliable tool to measure patient satisfaction after THA or TKA, with psychometric properties similar to those of the original scale.
Level of Evidence: II
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Mantilla, M., Stangl-Correa, P., Stangl-Herrera, W., Cantor, E., Echeverry-Vélez, A., & Palacio, J. C. (2022). Validation of the Spanish Version of the Self-Administered Patient Satisfaction Scale (SAPS) for Total Hip and Knee Arthroplasty. Revista De La Asociación Argentina De Ortopedia Y Traumatología, 87(6), 765-771. https://doi.org/10.15417/issn.1852-7434.2022.87.6.1535
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Clinical Research
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event affects patient-reported outcomes after total hip replacement. BMC Musculoskelet Disord 2020;21(1):1-8.
https://doi.org/10.1186/s12891-020-3127-6
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20. Bourne RB, Chesworth BM, Davis AM, Mahomed NN, Charronet KDJ. Patient satisfaction after total knee
arthroplasty: Who is satisfied and who is not? Clin Orthop Relat Res 2010;468(1):57-63.
https://doi.org/10.1007/s11999-009-1119-9
21. Klem N-R, Kent P, Smith A, Dowsey M, Farya R, et al. Satisfaction after total knee replacement for osteoarthritis is usually high, but what are we measuring? A systematic review. Osteoarthr Cartil Open 2020;2:100032. https://doi.org/10.1016/j.ocarto.2020.100032
22. Kahlenberg CA, Nwachukwu BU, McLawhorn AS, Cross MB, Cornell CN, Padgett DE. Patient satisfaction after
total knee replacement: A systematic review. HSS J 2018;14(2):192-201. https://doi.org/10.1007/s11420-018-9614-8
2020;28(3):242-8. https://doi.org/10.1016/j.joca.2020.01.002
2. Finch DJ, Martin BI, Franklin PD, Magder LS, Pellegrini VD Jr, PEPPER Investigators. Patient-reported
outcomes following total hip arthroplasty: A multicenter comparison based on surgical approaches. J Arthroplasty 2020;35(4):1029-35.e3. https://doi.org/10.1016/j.arth.2019.10.017
3. Carr AJ, Robertsson O, Graves S, Price AJ, Arden NK, Judge A, et al. Knee replacement. Lancet
2012;379(9823):1331-40. https://doi.org/10.1016/S0140-6736(11)60752-6
4. Lau RL, Gandhi R, Mahomed S, Mahomed N. Patient satisfaction after total knee and hip arthroplasty. Clin Geriatr Med 2012;28(3):349-65. https://doi.org/10.1016/j.cger.2012.05.001
5. Carpenter CVE, Blackburn J, Jackson J, Blom AW, Sayers A, Whitehouse MR.Validated repeatability of patientreported outcome measures following primary total hip replacement: a mode of delivery comparison study with randomized sequencing. Acta Orthop 2018;89(6):628-33. https://doi.org/10.1080/17453674.2018.1521183
6. Wilson I, Bohm E, Lübbeke A, Lübbeke A, Lyman S, Overgaard S, et al. Orthopaedic registries with patientreported outcome measures. EFORT Open Rev 2019;4(6):357-67. https://doi.org/10.1302/2058-5241.4.180080
7. Escobar A, Quintana JM, Bilbao A, Azkárate J, Güenaga JI. Validation of the Spanish version of the WOMAC
questionnaire for patients with hip or knee osteoarthritis. Western Ontario and McMaster Universities Osteoarthritis Index. Clin Rheumatol 2002;21(6):466-71. https://doi.org/10.1007/s100670200117
8. Söderman P, Malchau H. Is the Harris hip score system useful to study the outcome of total hip replacement? Clin Orthop Relat Res 2001;(384):189-97. https://doi.org/10.1097/00003086-200103000-00022
9. Insall JN, Dorr LD, Scott RD, Scott WN. Rationale of the Knee Society clinical rating system. Clin Orthop Relat
Res 1989;(248):13-4. PMID: 2805470
10. Brazier JE, Harper R, Jones NM, O´Cathain A, Thomas KJ, Usherwook T, et al. Validating the SF-36 health survey
questionnaire: new outcome measure for primary care. BMJ 1992;305(6846):160-4.
https://doi.org/10.1136/bmj.305.6846.160
11. Hamilton DF, Lane J V, Gaston P, Patton JT, Macdonald D, Simpson AHRW, et al. What determines patient
satisfaction with surgery? A prospective cohort study of 4709 patients following total joint replacement. BMJ Open 2013;3(4):e002525. https://doi.org/10.1136/bmjopen-2012-002525
12. Mahomed N, Gandhi R, Daltroy L, Katz JN. The Self-Administered Patient Satisfaction Scale for Primary Hip and Knee Arthroplasty. Arthritis 2011;2011:591253. https://doi.org/10.1155/2011/591253
13. Carpenter CVE, Wylde V, Moore AJ, Sayers A, Blom AW, Whitehouse MR. Perceived occurrence of an adverse
event affects patient-reported outcomes after total hip replacement. BMC Musculoskelet Disord 2020;21(1):1-8.
https://doi.org/10.1186/s12891-020-3127-6
14. Miravete-Galvez A, Serrano-Ardila A, Camacho-Galindo J. Correlation between functionality and satisfaction index after total hip or knee replacement. J Musculoskelet Surg Res 2020;4:213-7. https://doi.org/10.4103/jmsr.jmsr_48_20
15. Boateng GO, Neilands TB, Frongillo EA, Melgar-Quiñonez HR, Young SL. Best practices for developing and
validating scales for health, social, and behavioral research: A primer. Front Public Heal 2018;6:149.
https://doi.org/10.3389/fpubh.2018.00149
16. Lugo A LH, García G HI, Gómez R C. Confiabilidad del cuestionario de calidad de vida en salud SF-36 en
Medellín, Colombia. Rev Fac Nac Salud Pública 2006;24(2):37-50. Disponible en:
https://revistas.udea.edu.co/index.php/fnsp/article/view/243/173
17. Tavakol M, Dennick R. Making sense of Cronbach’s alpha. Int J Med Educ 2011;2:53-5.
https://doi.org/10.5116/ijme.4dfb.8dfd
18. Clement ND, MacDonald D, Howie CR, Biant LC. The outcome of primary total hip and knee arthroplasty in
patients aged 80 years or more. J Bone Joint Surg Br 2011;93(9):1265-70. https://doi.org/10.1302/0301-620X.93B9.25962
19. Lee SH, Kim DH, Lee YS. Is there an optimal age for total knee arthroplasty?: A systematic review. Knee Surg Relat Res 2020;32(1):60. https://doi.org/10.1186/s43019-020-00080-1
20. Bourne RB, Chesworth BM, Davis AM, Mahomed NN, Charronet KDJ. Patient satisfaction after total knee
arthroplasty: Who is satisfied and who is not? Clin Orthop Relat Res 2010;468(1):57-63.
https://doi.org/10.1007/s11999-009-1119-9
21. Klem N-R, Kent P, Smith A, Dowsey M, Farya R, et al. Satisfaction after total knee replacement for osteoarthritis is usually high, but what are we measuring? A systematic review. Osteoarthr Cartil Open 2020;2:100032. https://doi.org/10.1016/j.ocarto.2020.100032
22. Kahlenberg CA, Nwachukwu BU, McLawhorn AS, Cross MB, Cornell CN, Padgett DE. Patient satisfaction after
total knee replacement: A systematic review. HSS J 2018;14(2):192-201. https://doi.org/10.1007/s11420-018-9614-8