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Validity and Absolute Reliability of the Cobb Angle in Idiopathic Scoliosis with TraumaMeter Software

Author

Listed:
  • José Hurtado-Avilés

    (Sports & Musculoskeletal System Research Group (RAQUIS), University of Murcia, 30100 Murcia, Spain)

  • Fernando Santonja-Medina

    (Sports & Musculoskeletal System Research Group (RAQUIS), University of Murcia, 30100 Murcia, Spain
    Department of Orthopaedic Surgery and Traumatology, Hospital Clínico Universitario Virgen de la Arrixaca, 30120 Murcia, Spain
    Department of Surgery, Pediatrics and Obstetrics & Gynecology, Faculty of Medicine, University of Murcia, 30100 Murcia, Spain)

  • Vicente J. León-Muñoz

    (Department of Orthopaedic Surgery and Traumatology, Hospital General Universitario Reina Sofía, 30003 Murcia, Spain)

  • Pilar Sainz de Baranda

    (Sports & Musculoskeletal System Research Group (RAQUIS), University of Murcia, 30100 Murcia, Spain
    Department of Physical Activity and Sport, Faculty of Sport Sciences, Regional Campus of International Excellence “Campus Mare Nostrum”, University of Murcia, 30100 Murcia, Spain)

  • Mónica Collazo-Diéguez

    (Sports & Musculoskeletal System Research Group (RAQUIS), University of Murcia, 30100 Murcia, Spain
    Department of Rehabilitation Sciences and Physiotherapy, Albacete University Hospital Complex, 02006 Albacete, Spain)

  • Mercedes Cabañero-Castillo

    (Department of Rehabilitation Sciences and Physiotherapy, General Hospital, Almansa, 02640 Albacete, Spain)

  • Ana B. Ponce-Garrido

    (Department of Rehabilitation Sciences and Physiotherapy, General Hospital, Almansa, 02640 Albacete, Spain)

  • Victoria Eugenia Fuentes-Santos

    (Sports & Musculoskeletal System Research Group (RAQUIS), University of Murcia, 30100 Murcia, Spain
    Department of Rehabilitation Sciences and Physiotherapy, Albacete University Hospital Complex, 02006 Albacete, Spain)

  • Fernando Santonja-Renedo

    (“La Vega Lorenzo Guirao” Hospital, 30530 Cieza, Spain)

  • Miriam González-Ballester

    (Medicine Faculty, University of Murcia, 30100 Murcia, Spain)

  • Francisco Javier Sánchez-Martínez

    (Medicine Faculty, University of Murcia, 30100 Murcia, Spain)

  • Pietro Gino Fiorita

    (Medicine Faculty, University of Murcia, 30100 Murcia, Spain)

  • Jose Manuel Sanz-Mengibar

    (Sports & Musculoskeletal System Research Group (RAQUIS), University of Murcia, 30100 Murcia, Spain
    Centre for Neuromuscular Diseases, National Hospital for Neurology and Neurosurgery, University College London Hospitals NHS Foundation Trust, London WC1N 3BG, UK)

  • Joaquín Alcaraz-Belzunces

    (Medicine Faculty, University of Murcia, 30100 Murcia, Spain)

  • Vicente Ferrer-López

    (Department of Physiotherapy, Faculty of Medicine, University of Murcia, 30100 Murcia, Spain)

  • Pilar Andújar-Ortuño

    (Sports & Musculoskeletal System Research Group (RAQUIS), University of Murcia, 30100 Murcia, Spain
    Department of Rehabilitation Sciences and Physiotherapy, Albacete University Hospital Complex, 02006 Albacete, Spain)

Abstract

The Cobb angle value is a critical parameter for evaluating adolescent idiopathic scoliosis (AIS) patients. This study aimed to evaluate a software’s validity and absolute reliability to determine the Cobb angle in AIS digital X-rays, with two different degrees of experienced observers. Four experts and four novice evaluators measured 35 scoliotic curves with the software on three separate occasions, one month apart. The observers re-measured the same radiographic studies on three separate occasions three months later but on conventional X-ray films. The differences between the mean bias errors (MBE) within the experience groups were statistically significant between the experts (software) and novices (manual) ( p < 0.001) and between the novices (software) and novices (manual) ( p = 0.005). When measured with the software, the intra-group error in the expert group was MBE = 1.71 ± 0.61° and the intraclass correlation coefficient (ICC (2,1)) = 0.986, and in the novice group, MBE = 1.9 ± 0.67° and ICC (2,1) = 0.97. There was almost a perfect concordance among the two measurement methods, ICC (2,1) = 0.998 and minimum detectable change (MCD95) < 0.4°. Control of the intrinsic error sources enabled obtaining inter- and intra-observer MDC95 < 0.5° in the two experience groups and with the two measurement methods. The computer-aided software TraumaMeter increases the validity and reliability of Cobb angle measurements concerning manual measurement.

Suggested Citation

  • José Hurtado-Avilés & Fernando Santonja-Medina & Vicente J. León-Muñoz & Pilar Sainz de Baranda & Mónica Collazo-Diéguez & Mercedes Cabañero-Castillo & Ana B. Ponce-Garrido & Victoria Eugenia Fuentes-, 2022. "Validity and Absolute Reliability of the Cobb Angle in Idiopathic Scoliosis with TraumaMeter Software," IJERPH, MDPI, vol. 19(8), pages 1-12, April.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:8:p:4655-:d:792333
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