• Marc Asher, Sue Min Lai, Doug Burton, and Barbara Manna.
• Kansas University Medical Center, Kansas City, Kansas USA.
• Stud Health Technol Inform. 2002 Jan 1; 91: 462-4.

AimTo determine whether either spine or trunk deformity measurements correlate with patients quality of life questionnaire responses.Materials And MethodsForty five pre operative patients (5M, 40F), average age 15 years, 9 months (range, 10-20) met the inclusion criteria of age (< or = 20 years), Posterior Trunk Symmetry Index (POTSI) and Suzuki Hump Sum (SHS) determination from surface topography, and Scoliosis Research Society-22 (SRS-22)patient questionnaire completion. Average measurement and measurement ranges were largest Cobb 62 degrees (range, 40-137 degrees), POTSI 49 (range, 17-149), SHS 16 (5-32), and SRS-22 subtotal score 3.86 (range, 4.7-2.35). The individual SRS-22 domain scores were function 4.13 (4.80-2.20), pain 4.01 (5-1.60), self image 3.34 (4.4-1.80) and mental health 4.01 (5-1.80). (Scale 5 Best-1 Worst). Correlations between deformity and questionnaire measurements were determined, p<0.01 considered significant.ResultsSpine deformity (Cobb) correlated with the SRS-22 subtotal scores (cc-04207, p<0.005) and with the function and self image SRS-22 domain scores: cc0.5182, p<0.001) and cc-0.3981, p<0.01 respectively. Neither trunk deformity score correlated with the SRS-22 Score: POTSI versus SRS-22 (cc 0.0449, ns) and SHS versus SRS-22 (cc-0.0311, ns)ConclusionSpine deformity correlates well with quality of life questionnaire responses whereas trunk deformity magnitude does not. This is somewhat surprising as it is the trunk deformity that the patient can they themselves see. These findings illustrate the pitfalls of assuming what is important to the patient based on clinical measurements.

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