RELATIONSHIP BETWEEN STAIR-CLIMBING ABILITY OF THE PROXIMAL FEMORAL FRACTURE IN ELDERLY WOMEN AND HOME DISCHARGE

Ohoka T1,2, Urabe Y2, Maeda N2, Shirakawa T3
1Matterhorn Rehabilitation Hospital, Department of Rehabilitation, Kure, Japan, 2Hiroshima University, Graduate School of Biomedical & Health Sciences, Hiroshima, Japan, 3Matterhorn Rehabilitation Hospital, Department of Orthopedics, Kure, Japan

Background: Kure City has the highest aging ratio (34.4%) in Japan in more than 150,000 cities, and features aslant land as a topography. In addition, since there are many old Japanese houses in Kure City, they have climbing steps and steps, such as stairs and stairs inside and outside the houses, so that elderly people have the ability to ascend steps and slopes in order to live.

Purpose: Japanese sloping area have steps and stairs inside and outside the house, the elderly people need the ability to rise and lower steps and slopes in order to live. We investigated whether elderly people living in sloping area and flat area, whether stair-climbing ability influences to home discharge.

Methods: This prospective study is 103 women with proximal femoral fracture, seen at the matterhorn rehabilitation hospital between 2012 and 2018.
The study measures were quality of life before the injury and discharge, number of steps of stair climbing test, age, height, weight, body mass index (BMI), revised Hasegawa dementia scale (HDS-R), 10-m walking time, isometric knee extension muscular strength, and 6 minutes walking distance at discharge.
In the statistical analysis, correlation analysis was carried out using the items listed above as explanatory variables, and using the stair climbing test as a target variable. Furthermore, in order to grasp the factor of that most affects home discharge, multiple regression analysis by stepwise method was carried out. The hazard ratio was significantly less than 5%.

Results: Discharge destination were 67 people homes and 36 care facilities. Among the subjects discharged home, there were There were 39 people with residential areas on flat areas and 27 people on sloping areas.
The number of steps of the stair-climbing was 44.8 ± 23.6 steps (mean ± SD). The number of ascending steps in the sloping area was 61.5 ± 20.5 steps, in the flat area was 33.6 ± 23.5 steps, there was a significant difference(p 0.05). As a result of the correlation analysis using the number of steps of the stair climbing test as the objective variable, a significant negative correlation was found between age (r=-0.33) and 10-m walking time (r=-0.51), and the operative isometric knee extension strength (r=0.32) and the 6 minutes walking distance (0.61) showed a significant positive correlation.
As a result of multiple regression analysis using home discharge as the objective variable, the influence of the number of steps of stair climbing was the strongest (r =0.58, p 0.05). Height, weight, BMI, HDS-R, and isometric knee extensor strength showed no significant relationship.

Conclusion(s): The stair climbing test used in this study has the strongest relationship with 6 minutes walking distance and it is considered to be an indicator reflecting walking endurance. Stair-climbing ability is an indicator of walking durability and can be useful to predict home discharge of elderly women with proximal femoral fracture living in sloping area.

Implications: This study is useful to predict the possibility of home discharge from the subject living in a sloping area.

Keywords: eldery women, proximal femoral fracture, stair-climbing

Funding acknowledgements: This study was not funded by any organization that could influence the research results.

Topic: Older people; Musculoskeletal: lower limb; Orthopaedics

Ethics approval required: Yes
Institution: Matterhorn Rehabilitation Hospital
Ethics committee: Matterhorn Rehabilitation Hospital Ethics Committee
Ethics number: MRH180008


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