Title

Association between Emotional and Physical Health and Resource Utilization after Total Knee Arthroplasty

UMMS Affiliation

Department of Orthopaedic Surgery

Faculty Advisor

Franklin, Patricia

Contributor(s)

Huang, Wei; Anderson, Frederick A. Jr.; Ayers, David C.

Date

6-1-2005

Document Type

Abstract

Medical Subject Headings

Health Resources; utilization; Length of Stay; Comorbidity; Mental Health; Arthroplasty, Replacement, Knee

Disciplines

Health Services Research | Orthopedics | Psychiatry and Psychology

Abstract

Background: One-third of primary total knee arthroplasty (TKA) patients report low pre-operative emotional health status (MCS Methods:Demographic, clinical, and emotional and physical functional status (Short Form-8/SF-8) data were available for 2220 primary TKA patients in 42 US orthopedic practices between 2001 and 2004.

Results:Initial and adjusted multivariate analyses found higher rates of hospital discharge to rehabilitation associated with older age (OR = 1.056, p < 0.0001), female gender (OR = 1.877, p < 0.0001), lower MCS (OR = 0.984, p = 0.0006) and the presence of co-morbid diagnoses (OR = 1.830, p < 0.0001.) Longer inpatient hospital stay was associated with older age (p = 0.0017) and shorter stays with the absence of co-morbidities (p = 0.0137.)

Conclusion:Low preoperative MCS was not associated with a longer inpatient LOS and the clinical significance of the MCS association with discharge to rehabilitation facilities may not be clinically important (R = 0.984). However, physical co-morbid illness was significantly associated with discharge disposition and LOS. Female gender and advanced age are correlated with higher resource use. Further research should adjust for reimbursement incentives before examining the role of emotional and physical health.



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