Journal of NeuroEngineering and Rehabilitation

Table 6 Spending and Utilization for 18-Month Lower Extremity Prosthetic Episode (2007 – 2010 and 2011 – 2014) Care setting 2007 – 2010 analysis 2011 – 2014 analysis update n = 428 Matched pairs n = 545 Matched pairs Study Comparison Difference Study Comparison Difference Physician $7792 $11,883 -$4092* $8270 $9920 -$1649 DME $18,653 $2537 $16,116* $15,323 $5018 $10,305* Prosthetics Only: L5000 - L5999 – – – $9694 $1782 $7912* Acute Care Hospital / Other Inpatient $18,080 $28,276 -$10196* $15,529 $19,851 -$4321* Long Term Care Hospital $1408 $4102 -$2694** $1445 $4017 -$2571* Inpatient Rehabilitation Facility (IRF) $2603 $2000 $603** $3476 $3415 $61 Outpatient $9373 $7291 $2082* $8601 $8649 -$49 Skilled Nursing Facility $8386 $8821 -$435 $5783 $6630 -$847 Home Health $6181 $5692 $489 $5049 $4764 $285 Hospice $715 $1572 -$857** $104 $825 -$721* Total Part D Drug Spending – – – $5297 $5806 -$508 Total $73,191 $72,175 $1015 $68,877 $68,893 -$16 Average number of therapy visits 56.10 28.90 27.20* 26.86 17.97 8.89* Average number of fractures and falls 0.90 0.72 0.18 0.46 0.41 0.05 Average number of inpatient admissions 1.18 1.51 − 0.33 1.23 1.54 − 0.31* Length of stay for inpatient admissions (days) – – – 7.53 11.44 − 3.91* Average number of emergency room admissions 1.55 2.10 − 0.55* 2.14 2.03 0.11 Average number of IRF admissions – – – 0.17 0.14 0.02 Length of stay for IRF admissions (days) 1.61 1.19 0.42 2.16 2.10 0.07 * Difference is significant at α = 0.05 ** The difference in spending between the study and comparison groups for IRF, LTCH, Other Inpatient and Hospice settings combined was significant at α = 0.05 Source: Dobson | DaVanzo analysis of custom cohort Standard Analytic Files (2007 – 2010 and 2011 – 2014) for Medicare beneficiaries who received O&P services from January 1, 2008 through June 30, 2009 or January 1, 2012 through June 30, 2013 (and matched comparisons), according to custom cohort database definition Fig. 3 Cumulative Lower Extremity Prosthetic Episode Payment by Cohort Dobson et al. Journal of NeuroEngineering and Rehabilitation 2018, 15 (Suppl 1):55 Page 70 of 72