Reliability and validity of the Shoulder Pain and Disability Index in a sample of patients with frozen shoulder
© 2023. The Author(s)..
BACKGROUND: The Shoulder and Pain Disability Index (SPADI) is a widely used outcome measure. The aim of this study is to explore the reliability and validity of SPADI in a sample of patients with idiopathic frozen shoulder.
METHODS: The SPADI was administered to 124 patients with idiopathic frozen shoulder. A sub-group of 29 patients were retested after 7 days. SPADI scores were correlated with other outcome measures (i.e., Disabilities of the Arm, Shoulder and Hand Questionnaire - DASH; Numerical Pain Rating Scale-NPRS; and 36-item Short Form Health Survey-SF-36) to examine construct validity. Structural validity was assessed by a Two-Factors Confirmatory Factor Analysis (CFA). Internal consistency, test-retest reliability, and measurement error were also analyzed.
RESULTS: The construct validity was satisfactory as seven out of eight of the expected correlations formulated (≥ 75%) for the subscales were satisfied. The CFA showed good values of all indicators for both Pain and Disability subscales (Comparative Fit Index = 0.999; Tucker-Lewis Index = 0.997; Root Mean Square Error of Approximation = 0.030). Internal consistency was good for pain (α = 0.859) and disability (α = 0.895) subscales. High test-retest reliability (Intraclass correlation coefficient [ICC]) was found for pain (ICC = 0.989 [95% Confidence Interval (CI = 0.975-0.995]) and disability (ICC = 0.990 [95% CI = 0.988-0.998]). Standard Error of Measurement values of 2.27 and 2.32 and Minimal Detectable Change values of 6.27 and 6.25 were calculated for pain and disability subscales, respectively.
CONCLUSION: The SPADI demonstrated satisfactory reliability and validity properties in a sample of patients with idiopathic frozen shoulder.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:24 |
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| Enthalten in: |
BMC musculoskeletal disorders - 24(2023), 1 vom: 22. März, Seite 212 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Venturin, Davide [VerfasserIn] |
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| Links: |
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| Themen: |
Frozen Shoulder |
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| Anmerkungen: |
Date Completed 24.03.2023 Date Revised 25.03.2023 published: Electronic Citation Status MEDLINE |
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| doi: |
10.1186/s12891-023-06268-2 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM354546309 |
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| 245 | 1 | 0 | |a Reliability and validity of the Shoulder Pain and Disability Index in a sample of patients with frozen shoulder |
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| 500 | |a Date Revised 25.03.2023 | ||
| 500 | |a published: Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a © 2023. The Author(s). | ||
| 520 | |a BACKGROUND: The Shoulder and Pain Disability Index (SPADI) is a widely used outcome measure. The aim of this study is to explore the reliability and validity of SPADI in a sample of patients with idiopathic frozen shoulder | ||
| 520 | |a METHODS: The SPADI was administered to 124 patients with idiopathic frozen shoulder. A sub-group of 29 patients were retested after 7 days. SPADI scores were correlated with other outcome measures (i.e., Disabilities of the Arm, Shoulder and Hand Questionnaire - DASH; Numerical Pain Rating Scale-NPRS; and 36-item Short Form Health Survey-SF-36) to examine construct validity. Structural validity was assessed by a Two-Factors Confirmatory Factor Analysis (CFA). Internal consistency, test-retest reliability, and measurement error were also analyzed | ||
| 520 | |a RESULTS: The construct validity was satisfactory as seven out of eight of the expected correlations formulated (≥ 75%) for the subscales were satisfied. The CFA showed good values of all indicators for both Pain and Disability subscales (Comparative Fit Index = 0.999; Tucker-Lewis Index = 0.997; Root Mean Square Error of Approximation = 0.030). Internal consistency was good for pain (α = 0.859) and disability (α = 0.895) subscales. High test-retest reliability (Intraclass correlation coefficient [ICC]) was found for pain (ICC = 0.989 [95% Confidence Interval (CI = 0.975-0.995]) and disability (ICC = 0.990 [95% CI = 0.988-0.998]). Standard Error of Measurement values of 2.27 and 2.32 and Minimal Detectable Change values of 6.27 and 6.25 were calculated for pain and disability subscales, respectively | ||
| 520 | |a CONCLUSION: The SPADI demonstrated satisfactory reliability and validity properties in a sample of patients with idiopathic frozen shoulder | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Frozen Shoulder | |
| 650 | 4 | |a Health Care | |
| 650 | 4 | |a Outcome Assessment | |
| 650 | 4 | |a Psychometrics | |
| 650 | 4 | |a Reproducibility of Results | |
| 650 | 4 | |a SPADI | |
| 700 | 1 | |a Giannotta, Gabriele |e verfasserin |4 aut | |
| 700 | 1 | |a Pellicciari, Leonardo |e verfasserin |4 aut | |
| 700 | 1 | |a Rossi, Alex |e verfasserin |4 aut | |
| 700 | 1 | |a Pennella, Denis |e verfasserin |4 aut | |
| 700 | 1 | |a Goffredo, Michela |e verfasserin |4 aut | |
| 700 | 1 | |a Poser, Antonio |e verfasserin |4 aut | |
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