1. In-Patient Costs for Neurological Disorders By Katherine Ammon

2. Data Population: All Hospitals Sample: Colorado Hospitals Sample Size: 30 Hospitals

3. Research Questions 1. What is the typical Medicare coverage for in-patients with seizures or degenerative nervous system disorders (DSND)? 2. Does a hospital’s number of discharges affect Medicare coverage? 3. Is there a difference in average total payments for in-patients with DSND vs in-patients with seizures?

4. Typical Medicare Costs for Neurological Disorders Average Medicare Payments Mean4547.123667 Standard Error216.669009 Median4265.79 Mode#N/A Standard Deviation1186.745038 Sample Variance1408363.784 Kurtosis2.989670797 Skewness1.668783899 Range5203.08 Minimum3121.88 Maximum8324.96 Sum136413.71 Count30

5. Relationship between Discharges and Medicare Coverage Correlation = 0.18 Significance F > alpha; non- linear relationship “y = 25.918x + 5009.9” Only y-intercept valid (p- value < alpha)

6. Total Payment Costs for DSND vs Seizures t-Test: Average Total Payments for DSND vs Seizure Treatments DSNDSeizure Mean6043.721 5222.50 4 Variance11021891554313 Observations1416 Hypothesized Mean Difference0 df28 t Stat1.958208 P(T<=t) one-tail0.030118 t Critical one-tail1.701131 P(T<=t) two-tail0.060237 t Critical two-tail2.048407 The p-value for the two- tailed t-test is > 0.05; therefore, there is no significant difference between the costs of the two procedures.