Reproducibility and responsiveness of the Symptom Severity Scale and the hand and finger function subscale of the Dutch arthritis impact measurement scales (Dutch-AIMS2-HFF) in primary care patients with wrist or hand problems

Spies-Dorgelo, Marinda N.; Terwee, Caroline B.; Stalman, W.A.B.; Windt, D.A.W.M. van der

doi:10.1186/1477-7525-4-87

Cited by 17 publications

(18 citation statements)

References 24 publications

(34 reference statements)

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“…The total symptom severity score is calculated as the mean of the scores for the 11 individual items. In a recent study (9), the SSS was demonstrated to be reliable and responsive in our primary care population. The minimal important change in the previous population was quantified as 0.23 points.…”

Section: Methodsmentioning

confidence: 67%

“…However, the AUC scores found in our study were comparable to AUC scores in other studies (3, 4, 47, 48). One of the reasons the models did not fit extremely well could be the choice of our primary outcome measure, change in symptom severity, although this instrument was developed for hand problems and was demonstrated to be responsive in our hand and wrist primary care population (9). The heterogeneity of our population, including a variety of medical conditions and a number of mild self‐limiting cases, may be another reason for the moderate performance of our models.…”

Section: Discussionmentioning

confidence: 99%

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Clinical course and prognosis of hand and wrist problems in primary care

Spies-Dorgelo¹,

Windt²,

Prins³

et al. 2008

Arthritis & Rheumatism

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Objective. To describe the course of a new episode of hand and wrist problems in general practice and to identify predictors that are associated with poor outcome at short-term and long-term followup. Methods. Patients consulting their general practitioner with hand or wrist problems (no prior consultation in the preceding 3 months) were sent a questionnaire at baseline and at 3, 6, and 12 months of followup. Potential predictors included sociodemographic variables, characteristics of the symptoms, physical activity, and psychosocial factors. General practitioners recorded information on symptoms, signs, and medical diagnosis. The main outcome measure was insufficient improvement of symptoms using the Symptom Severity Scale at short-term (3 months) and long-term (12 months) followup. Results. Twenty-three percent of patients reported complete recovery after 3 months, increasing to 42% at 1 year after first presentation. Higher probability of poor outcome at 3 months was associated with being female, low pain intensity at baseline, and lower personal control at baseline; at 12 months it was associated with older age, being female, reporting symptoms for >3 months at baseline, low scores on the coping strategy "reducing demands," and a higher score on somatization. Discriminative ability of the models was moderate, with areas under the curve after bootstrapping of 0.60 and 0.69 at 3 and 12 months, respectively. Conclusion. More than half of all patients reported residual symptoms at 1 year. Although poor outcome was difficult to predict, age, sex, duration of symptoms, and psychosocial factors were associated with poor outcome of hand and wrist problems.

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Section: Methodsmentioning

confidence: 67%

Section: Discussionmentioning

confidence: 99%

Clinical course and prognosis of hand and wrist problems in primary care

Spies-Dorgelo¹,

Windt²,

Prins³

et al. 2008

Arthritis & Rheumatism

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“…In addition, good agreement was shown between the two scales when administered consecutively to the same population despite a varying time interval. In a test-retest reproducibility of the Dutch version of the CTS symptom severity scale [36], 84 primary care patients with wrist or hand problems completed the 11-item scale twice within 1-2 weeks (mean 10 days) and the mean score difference was 0.11 and the intraclass correlation coefficient was 0.68. In a previous test-retest reliability (1-3 weeks) of the Swedish version of the 11-item symptom severity scale in 22 patients before carpal tunnel release the score difference was 0.10 [6], which is similar to the test-retest results for the 6-item scale in the present study.…”

Section: Discussionmentioning

confidence: 99%

The 6-item CTS symptoms scale: a brief outcomes measure for carpal tunnel syndrome

2009

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Objective To develop a psychometrically appropriate brief symptoms measure of carpal tunnel syndrome (CTS). Methods Preoperative CTS 11-item symptom severity and 8-item functional status scales from 693 patients (71% women) with CTS were subjected to exploratory factor analysis and item response theory (IRT) analysis yielding a revised CTS symptoms scale. A validation sample of 213 patients (68% women) with CTS completed the 11-item disabilities of the arm, shoulder and hand (QuickDASH), and the revised symptoms scale and 116 patients also completed the original CTS symptom severity scale (median interval 11 days). Results Of the 11 CTS symptom severity scale items, 2 items that on factor analysis associated with the functional status items were removed. After IRT recalibrations of the remaining symptom severity scale items, 2 non-fitting items were removed and 2 items were merged creating the 6-item CTS symptoms scale. Factor analysis showed one dominant factor explaining 58% of the variance. Reliability was high (Cronbach alpha = 0.86; IRT person separation reliability = 0.88). No item displayed significant differential item functioning. The 6-item CTS symptoms scale showed strong correlation with the QuickDASH (r = 0.70) and agreement with the original symptom severity scale (ICC = 0.80). Conclusion The 6-item CTS symptoms scale has good reliability and validity and can be used to measure symptom severity and treatment outcome in CTS.

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“…Available in English, French, Dutch, Swedish, Chinese, Norwegian, Italian, German, Japanese, Spanish, Greek, Hebrew, Portuguese, Turkish, Russian, and Persian. However, authors of some translated versions of the AIMS2 note the need for more psychometric work (23–27). The AIMS2 has been adapted to ankylosing spondylitis (13).…”

Section: Arthritis Impact Measurement Scales 2 (Aims2)mentioning

confidence: 99%

“…Missing data are not noted as a problem. However, floor and ceiling effects have been observed depending on the patient group observed (26, 27).…”

Section: Arthritis Impact Measurement Scales 2 (Aims2)mentioning

confidence: 99%

Measures of disability: Arthritis Impact Measurement Scales 2 (AIMS2), Arthritis Impact Measurement Scales 2‐Short Form (AIMS2‐SF), The Organization for Economic Cooperation and Development (OECD) Long‐Term Disability (LTD) Questionnaire, EQ‐5D, World Health Organization Disability Assessment Schedule II (WHODASII), Late‐Life Function and Disability Instrument (LLFDI), and Late‐Life Function and Disability Instrument‐Abbreviated Version (LLFDI‐Abbreviated)

Gignac¹,

Cao²,

McAlpine³

et al. 2011

Arthritis Care & Research

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Reproducibility and responsiveness of the Symptom Severity Scale and the hand and finger function subscale of the Dutch arthritis impact measurement scales (Dutch-AIMS2-HFF) in primary care patients with wrist or hand problems

Abstract: Background: To determine the clinimetric properties of two questionnaires assessing symptoms (Symptom Severity Scale) and physical functioning (hand and finger function subscale of the AIMS2) in a Dutch primary care population.

Cited by 17 publications

References 24 publications

Clinical course and prognosis of hand and wrist problems in primary care

Clinical course and prognosis of hand and wrist problems in primary care

The 6-item CTS symptoms scale: a brief outcomes measure for carpal tunnel syndrome

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