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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

lingua: Inglese

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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