Reliability Study of Inertial Sensors LIS2DH12 Compared to ActiGraph GT9X: Based on Free Code

  1. Martín Martín, Jaime
  2. Jiménez-Partinen, Ariadna
  3. Torres Sánchez, I.
  4. Escriche Escuder, Adrián
  5. González Sánchez, Manuel
  6. Muro Culebras, Antonio Luis
  7. Roldán Jiménez, Cristina
  8. Ruiz Muñoz, María
  9. Mayoral-Cleries, Fermín
  10. Biró, Attila
  11. Tang, Wen
  12. Nikolova, Borjanka
  13. Salvatore, Alfredo
  14. Cuesta Vargas, Antonio Ignacio
Revista:
Journal of Personalized Medicine

ISSN: 2075-4426

Año de publicación: 2022

Volumen: 12

Número: 5

Páginas: 749

Tipo: Artículo

DOI: 10.3390/JPM12050749 GOOGLE SCHOLAR lock_openAcceso abierto editor

Otras publicaciones en: Journal of Personalized Medicine

Resumen

The study’s purpose was to assess the reliability of the LIS2DH12 in two different positions, using the commercial sensor Actigraph GT9X as a reference instrument. Five participants completed two gait tests on a treadmill. Firstly, both sensors were worn on the wrist and around the thigh. Each test consisted of a 1 min walk for participants to become accustomed to the treadmill, followed by a 2 min trial at ten pre-set speeds. Data from both sensors were collected in real-time. Intraclass correlation coefficient (ICC) was used to evaluate the equality of characteristics obtained by both sensors: maximum peaks, minimum peaks, and the mean of the complete signal (sequence of acceleration values along the time) by each axis and speed were extracted to evaluate the equality of characteristics obtained with LIS2DH12 compared to Actigraph. Intraclass correlation coefficient (ICC) was extracted, and a standard deviation of the mean was obtained from the data. Our results show that LIS2DH12 measurements present more reliability than Actigraph GT9X, ICC > 0.8 at three axes. This study concludes that LIS2DH12 is as reliable and accurate as Actigraph GT9X Link and, therefore, would be a suitable tool for future kinematic studies.

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Información de financiación

Financiadores

  • European Union’s Horizon 2020
    • 823871

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