1. Number of Hospital Admissions and Days in the Hospital per Patient, and Number of Days per Admission for Medicare Dialysis Patients*, 1993-97 Year ** * Excludes transplant and post-transplant ** Preliminary USRDS 1999 IX - 1 Hospital DaysHospital Admissions Hospital Days per Patient Hospital Admissions per Patient Days per Admission

2. Distribution of Medicare Dialysis Patients by Number of Hospital Admissions During 1997*, by Age Percent of Patients Under 65 Mean=1.4 Median=1 65 Plus Mean=1.4 Median=1 Number of Hospital Admissions During the Year USRDS 1999 IX - 2 * Preliminary; excludes transplant and post-transplant

3. Distribution of Medicare Dialysis Patients by Number of Hospital Days During 1997*, by Age Percent of Patients 65 Plus Mean=11.3 Median=4 Under 65 Mean=10.3 Median=2 USRDS 1999 IX - 3 Number of Hospital Days During the Year * Preliminary; excludes transplant and post-transplant

4. Hospital Admissions per Year at Risk for Medicare ESRD Patients, by Modality and Age, 1995-97 Admissions / Yr at Risk 15-19 25-29 35-39 45-49 55-59 65-69 75-79 85+ 0-14 20-24 30-34 40-44 50-54 60-64 70-74 80-84 Age Group USRDS 1999 IX - 4

5. Hospital Admissions per Year at Risk for Male Medicare Dialysis Patients by Race and Age, 1995-97 Admissions / Yr at Risk 15-19 25-29 35-39 45-49 55-59 65-69 75-79 85+ 0-14 20-24 30-34 40-44 50-54 60-64 70-74 80-84 Age Group USRDS 1999 IX - 5

6. Hospital Admissions per Year at Risk for Female Medicare Dialysis Patients by Race and Age, 1995-97 Admissions / Yr at Risk 15-19 25-29 35-39 45-49 55-59 65-69 75-79 85+ 0-14 20-24 30-34 40-44 50-54 60-64 70-74 80-84 Age Group USRDS 1999 IX - 6

7. Hospital Days per Year at Risk for Male Medicare Dialysis Patients by Race and Age, 1995-97 Days / Yr at Risk 15-19 25-29 35-39 45-49 55-59 65-69 75-79 85+ 0-14 20-24 30-34 40-44 50-54 60-64 70-74 80-84 Age Group USRDS 1999 IX - 7

8. Hospital Days per Year at Risk for Female Medicare Dialysis Patients by Race and Age, 1995-97 Days / Yr at Risk 15-19 25-29 35-39 45-49 55-59 65-69 75-79 85+ 0-14 20-24 30-34 40-44 50-54 60-64 70-74 80-84 Age Group USRDS 1999 IX - 8

9. Hospital Admissions per Year at Risk for Medicare Dialysis Patients by Diabetes, Sex, and Age, 1995-97 Admissions / Yr at Risk 15-19 25-29 35-39 45-49 55-59 65-69 75-79 85+ 0-14 20-24 30-34 40-44 50-54 60-64 70-74 80-84 Age Group USRDS 1999 IX - 9

10. Hospital Days per Year at Risk for Medicare Dialysis Patients by Diabetes, Sex, and Age, 1995-97 15-19 25-29 35-39 45-49 55-59 65-69 75-79 85+ 0-14 20-24 30-34 40-44 50-54 60-64 70-74 80-84 Days / Yr at Risk Age Group USRDS 1999 IX - 10

11. SHR > 1.09 SHR 1.02 -1.08 SHR 0.94 -1.01 SHR < 0.93 Standardized Hospitalization Ratios by State (quartiles), Medicare Dialysis Patients Only, 1995-97 MI NJ PA + DE NY MN ND + SD IA MO NE KS TX OK AR LA KY TN MS AL CA + HI WA OR CO NM AZ IN OH WI WV VA NC SC GA FL MD CT RI MA NH + ME + VT UT MT + ID + WY + NV + AK DC IL USRDS 1999 IX - 11 * Excludes patients who died of AIDS

12. National SHRs of First Admissions by Year with 95% Confidence Intervals, Medicare Dialysis Patients 1993-97 SHR First Admissions SHR* * Relative to 1997 first hospital admission rates ** 1997 data preliminary ** USRDS 1999 IX - 12