PM & R : the journal of injury, function, and rehabilitation · 2022
Factors that influence time to prosthesis receipt after lower limb amputation: A Cox proportional hazard model regression.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Miller Taavy A, Paul Rajib, Forthofer Melinda, Wurdeman Shane R
Аннотация
BACKGROUND: Early mobility, functional independence, and ambulation are associated benefits after lower limb amputation (LLA), whereas an increased risk of clinical complications is associated with no prosthesis.
OBJECTIVE: To describe time to prosthesis receipt after amputation and to assess the impact of patient demographic and health factors on the rate of prosthesis receipt within 12 months post LLA.
DESIGN: A retrospective cohort analysis using commercial administrative claims data. Kaplan-Meier and Cox proportional-hazards models were applied to assess time to prosthesis receipt.
SETTING: Watson/Truven administrative database 2014-2016.
PARTICIPANTS: Adults aged 18-64 years with LLA who maintained their current insurance enrollment for 12 months after amputation.
INTERVENTIONS: Independent variables included diabetes/vascular disease status, amputation level, age, gender, and region.
MAIN OUTCOME MEASURES: Prosthesis receipt was defined based on the presence of codes billed for prosthesis services. Time was measured in days from date of amputation surgery.
RESULTS: Among the sample, 510 individuals maintained insurance enrollment for 12 months after amputation, of which 443 individuals received a prosthesis within that period (79% below knee and 21% above knee). The adjusted average rate of time to prosthesis receipt was 138 (95% confidence interval [CI]: 113-185) days. Individuals with diabetes/vascular disease were 22% (hazard ratio: 1.22, 95% CI: 1.02-1.49) more likely to receive a prosthesis earlier than individuals without diabetes/vascular disease and women received a prosthesis later than men at 141 (95% CI: 126-162) days versus 106 (95% CI: 96-119) days, respectively.
CONCLUSIONS: This study expands the understanding of factors that influence the likelihood of receiving a prosthesis along with the timing of prosthesis receipt after LLA among commercially insured adults. At least half of this sample received a prosthesis within 5 months or less. Disparities in timing and access to a prosthesis based on amputation level and gender were noted; future efforts are needed to address these issues.
OBJECTIVE: To describe time to prosthesis receipt after amputation and to assess the impact of patient demographic and health factors on the rate of prosthesis receipt within 12 months post LLA.
DESIGN: A retrospective cohort analysis using commercial administrative claims data. Kaplan-Meier and Cox proportional-hazards models were applied to assess time to prosthesis receipt.
SETTING: Watson/Truven administrative database 2014-2016.
PARTICIPANTS: Adults aged 18-64 years with LLA who maintained their current insurance enrollment for 12 months after amputation.
INTERVENTIONS: Independent variables included diabetes/vascular disease status, amputation level, age, gender, and region.
MAIN OUTCOME MEASURES: Prosthesis receipt was defined based on the presence of codes billed for prosthesis services. Time was measured in days from date of amputation surgery.
RESULTS: Among the sample, 510 individuals maintained insurance enrollment for 12 months after amputation, of which 443 individuals received a prosthesis within that period (79% below knee and 21% above knee). The adjusted average rate of time to prosthesis receipt was 138 (95% confidence interval [CI]: 113-185) days. Individuals with diabetes/vascular disease were 22% (hazard ratio: 1.22, 95% CI: 1.02-1.49) more likely to receive a prosthesis earlier than individuals without diabetes/vascular disease and women received a prosthesis later than men at 141 (95% CI: 126-162) days versus 106 (95% CI: 96-119) days, respectively.
CONCLUSIONS: This study expands the understanding of factors that influence the likelihood of receiving a prosthesis along with the timing of prosthesis receipt after LLA among commercially insured adults. At least half of this sample received a prosthesis within 5 months or less. Disparities in timing and access to a prosthesis based on amputation level and gender were noted; future efforts are needed to address these issues.