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A Journal on Physical Medicine and Rehabilitation after Pathological Events

Official Journal of the Italian Society of Physical and Rehabilitation Medicine (SIMFER), European Society of Physical and Rehabilitation Medicine (ESPRM), European Union of Medical Specialists - Physical and Rehabilitation Medicine Section (UEMS-PRM), Mediterranean Forum of Physical and Rehabilitation Medicine (MFPRM), Hellenic Society of Physical and Rehabilitation Medicine (EEFIAP)
In association with International Society of Physical and Rehabilitation Medicine (ISPRM)
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Europa Medicophysica 2004 September;40(3):191-7

language: English

Reliability of the Scoliosis Research Society-22 Patient Questionnaire (Italian version) in mild adolescent vertebral deformities

Monticone M. 1, Carabalona R. 2, Negrini S. 1, 2

1 ISICO (Italian Scientific Spine Institute), Milan, Italy
2 Unit of Functional Rehabilitation Don Gnocchi Foundation, Milan, Italy


Aim. The reli­abil­ity eval­u­a­tion of the Italian ver­sion of the Scoliosis Research Society-22 Patient Questionnaire (SRS-22-I), admin­is­tered to ado­les­cents ­with ­mild ver­te­bral defor­mities, is eval­u­at­ed.
Methods. Study ­design: for­ward-back­ward trans­la­tion, ­pretest, ­final ver­sion accord­ing to a ­focus-­group eval­u­a­tion, and 1 ­week ­test/­retest. Population: ­pretest: 35 sub­jects (22 ­females), age ­range 8.5-19 ­years, 28 idiopath­ic sco­li­o­sis (17°±7°), 7 hyper­ky­pho­sis (54°±4°); ­test/retest: 20 sub­jects (11 ­females), age ­range 12-17.5 ­years, 15 idiopath­ic sco­li­o­sis (16°±8°), 5 hyper­ky­pho­sis (55°±5°). Statistical anal­y­sis: Spearman ­rank ­test, per­cent of agree­ment. Statistical sig­nif­i­cance: 0.05. Software: Statgraphics 3.0. We calculated the results of the questionnaire and performed the statistical analysis using non parametric test because of the charcteristics of the data: this differ from previously published results.
Results. Response ­rate was 100%. Total ­score: ­median 4 (­range 3-5); ­results for dif­fer­ent ­domains (­median, ­range): func­tion/activ­ity 4 (3-5), ­pain 5 (3-5), ­self ­image/ appear­ance 3 (2-5), men­tal ­health 4 (3-5), sat­is­fac­tion ­with man­age­ment 4 (2-5). Time ­required to ­answer the ques­tion­naire ­ranged ­from 5 to 20’; for 12 to 17.5 ­years old sub­jects ­from 5 to 10’. ­pretest ­showed dif­fi­cul­ties ­with ques­tions on ­pain; the ques­tion­naire was ­changed accord­ing­ly. Spearman’s rho ­ranged ­from 0.42 to 1, not sig­nif­i­cant­ly dif­fer­ent ­from ­null val­ue for ques­tions 12 and 21. Percent of agree­ment (eval­u­at­ed ­only for ques­tion 11a) was 100%. The ceiling and floor effects have been found high.
Conclusion. The SRS-22-I was ­found to be reli­able for ­young ­patients ­with ­mild ver­te­bral defor­mities of dif­fer­ent ­type. Lack of reli­abil­ity for ques­tions 12 and 21 ­should be bet­ter under­stood. Until now the psy­cho­met­ric prop­er­ties of SRS-22 ques­tion­naire ­have ­been eval­u­at­ed ­only in USA pop­u­la­tions, and in idiopath­ic sco­li­o­sis. Moreover, ­only one ­study has ­been pro­posed includ­ing ­patients ­with ­mild idiopath­ic sco­li­o­sis. This, together with the non-parametric statistical analysis used, could explain the high ceiling and floor effects we found in our data.

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