- Oral presentation
- Open Access
The usefulness of the sum of rotation parameter in scoliosis screening
© Chowańska and Kotwicki; licensee BioMed Central Ltd. 2012
- Published: 27 January 2012
- Public Health
- Standard Deviation
- Normal Child
- Spinal Level
- Rotation Parameter
It was to assess the usefulness of the Sum of Rotation parameter in scoliosis screening.
The Sum of Rotation parameter (SR) represents the sum of absolute values of angles of trunk rotation (ATRs) measured with a scoliometer on three spinal levels: proximal thoracic, main thoracic and thoracolumbar/lumbar. This parameter is useful in following-up the patient during conservative scoliosis management, because it documents the global rotational trunk deformity [1–4].
In a cohort of 996 school girls, aged 11.0 ± 1.0 years, range 9 to13, the average, standard deviation, minimum and maximum values of SR were calculated separately for three distinct subgroups: (a) ATR: 0°- 3°, (b) ATR 4° to 6° and (c) ATR ≥ 7°.
The SR value was: (a) 0.9 ± 1.2, range 0.0° to 6.0°, N=870, (b) 5.5 ± 1.9, range 4.0° to 17°, N= 94, (c) 10.2 ± 3.3, range 7.0° to 20.0°, N= 32. Normal children with important SR values were identified (SR = 2°+2°+2° = 6°).
The use of SR parameter seems not reveal additional information in scoliosis screening comparing to simple ATR measurement. Moreover, a risk of bias is present if the cut-off criterion of 7° is applied.
- Bunnell WP: Outcome of spinal screening. Spine. 1993, 18: 1572-1580. 10.1097/00007632-199309000-00001.View ArticlePubMedGoogle Scholar
- Goldberg CJ, Kaliszer M, Moore DP, Fogarty EE, Dowling FE: Surface topography, Cobb angles and cosmetic change in scoliosis. Spine (Phila Pa 1976). 2001, 26: E55-E63. 10.1097/00007632-200102150-00005.View ArticleGoogle Scholar
- Kotwicki T, Kinel E, Chowańska J, Bodnar-Nanuś A: POTSI, Hump Sum and Sum of Rotation - new surface topography parameters for evaluation of scoliosis deformity of the trunk. Fizjoterapia Polska. 2008, 8: 231-240.Google Scholar
- Suzuki N, Inami K, Ono T, Kohno K, Asher MA: Analysis of posterior trunk symmetry index (POTSI) in Scoliosis. Part 1. Research into Spinal Deformities 2. Stokes, I.A.F. 1999, Amsterdam, IOS Press, 81-84.Google Scholar
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