Predictors of Hospital Length of Stay among Patients after Hip Arthroplasty
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Abstract
Purpose: To study the patient's hospital length of stay after hip arthroplasty and to examine the predictive power of body mass index, alcohol consumption and recovery of physical function on the hospital length of stay.
Design: Correlational predictive study design.
Methods: The sample group consisted of 120 patients after hip arthroplasty at four tertiary care hospitals in Bangkok. Data were collected from May 2020 – November 2020 using the Alcohol Use Disorder Identification Test and the Cumulated Ambulation Score. Statistical analysis was performed using descriptive statistics, Pearson’s product moment correlation, and multiple regression.
Main findings: The findings showed that 76.7% were female with a mean age of 70.40 years (SD = 14.17), a mean body mass index of 21.67 kg/m2 (SD = 2.53), low risk level of alcohol drinking ( = 3, SD = 3.80), good physical functioning recovery (
= 4.88, SD = 1.28), and a mean of hospital length of stay of 6.59 days (SD = 1.90). Alcohol drinking (
= .28, p < .01), the body mass index (
= - .20, p < .05), and physical functioning recovery (
= - .25, p < .01) could significantly predict hospital length of stay of the patients; the variance was explained 19% by all factors (R2 = .19).
Conclusion and recommendations: Body mass index, alcohol drinking and physical functioning recovery can affect the hospital length of stay among the patients after hip arthroplasty. The research findings guide nursing practice by promoting appropriate body mass index, discouraging the alcohol drinking, and promoting activities that help recovery of patients after hip arthroplasty to reduce complications from long hospitalization resulting in the reduced hospital length of stay.
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