Converting scoliosis research society-24 to scoliosis research society-22r in a surgical-range, medical/interventional adolescent idiopathic scoliosis patient cohort

Antonia F. Chen, Wenzhu Bi, Dilrukshika Singhabahu, Joanne Londino, Justin Hohl, Maeve Ward, W. Timothy Ward

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

Study Design: Prospective questionnaire administration study. Objectives: To assess the ability to translate total and domain scores from Scoliosis Research Society (SRS)-24 to SRS-22r in a surgicalrange, medical/interventional adolescent idiopathic scoliosis (AIS) patient population. Summary of Background Data: Conversion of SRS-24 to SRS-22r is demonstrated in an operative cohort of patients with AIS, but not in a medical/interventional patient population. Methods: We simultaneously administered SRS-24 and SRS-22r questionnaires to 75 surgical-range, medical/interventional AIS patients and compared them. We performed analysis by regression modeling to produce conversion equations from SRS-24 to SRS-22r. Results: The total SRS-24 score for these medical/interventional AIS patients was 92.5 ± 9.45 (mean, 3.9 ± 0.39), and the total SRS-22r score was 93.5 ± 9.63 (mean, 4.3 ± 0.44). The correlation between these 2 groups was fair (R2 = 0.77) and improved to good when mental health or recall questions were removed. The correlation was also fair for total pain domains (R2 = 0.73). However, there was poor correlation for general self-image (R2 = 0.6) and unacceptable for post-treatment self-image (R2 = 0.01), general function (R2 = 0.52), activity function (R2 = 0.56), and satisfaction (R2 = 0.53). Compared with a published population of operative AIS patients, R2 values for total SRS-24 scores, pain, general self-image, activity function, and satisfaction were similar (p >.05). The R2 values for general function and combined general and activity function were significantly different between the operative and medical/interventional cohorts. Conclusions: Scoliosis Research Society-24 can be converted to SRS-22r scores with fair accuracy in the surgical-range, medical/interventional AIS patient population for total score, and total pain domains. The SRS-24 translates unacceptably to the SRS-22r in self-image, function, and satisfaction domains. The SRS-24 to SRS-22r conversion equations are similar to operative AIS patients, except for the function domain. Caution should be used when interpreting results based on translation of SRS-24 to SRS-22r values.

Original languageEnglish (US)
Pages (from-to)108-114
Number of pages7
JournalSpine deformity
Volume1
Issue number2
DOIs
StatePublished - Mar 2013
Externally publishedYes

Keywords

  • Adolescent idiopathic scoliosis
  • Converting equations
  • Medical/interventional
  • SRS-24
  • Scoliosis Research Society (SRS)-22r

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine

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