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  1. 1. Distribution of Medicare Dialysis Patients by Number of Hospital Admissions during 1995, by Age Percent of Patients M M M = Median Under 65 Mean=1.3 65 Plus Mean=1.4 Hospital Admissions per Calendar Year
  2. 2. Distribution of Medicare Dialysis Patients by Number of Hospital Days during 1995 by Age Percent of Patients M M Hospital Days per Calendar Year Median: 1 Day Median: 3 Days 65 Plus Mean=11.4 Under 65 Mean=9.6
  3. 3. Hospital Admissions per Year at Risk for Medicare Dialysis Patients, by Modality and Age, 1993-1995 0-19 Years 65+ Years 20-44 Years 45-64 Years 1.7 1.6 1.7 0.9 1.7 1.7 1.8 1.4 1.7 1.7 1.8 1.1 2.0 2.0 2.0 1.9 Admissions All Dialysis CAPD/ CCPD All ESRD Hemo- dialysis All Dialysis CAPD/ CCPD All ESRD Hemo- dialysis All Dialysis CAPD/ CCPD All ESRD Hemo- dialysis All Dialysis CAPD/ CCPD All ESRD Hemo- dialysis
  4. 4. Hospital Admissions per Year at Risk for Medicare Dialysis Patients by Race, Sex and Age, 1993-1995 0-19 Years 20-44 Years 45-64 Years 65+ Years Admissions All M F White Black Asian Native American White Black Asian Native American White Black Asian Native American White Black Asian Native American
  5. 5. Standardized* First Hospital Admission (Medicare) and Mortality Ratios by Census Region, 1993-1995 * For Age, Race, Sex, ESRD Cause or Diagnosis SHR SMR 90% 25% 50% 75% 10% Pacific Mountain West North Central West South Central East North Central East South Central North- east Middle Atlantic South Atlantic Pacific Mountain West North Central West South Central East North Central East South Central North- east Middle Atlantic South Atlantic
  6. 6. VT The Nine Census Regions, Grouped by SHR*, Medicare, 1993-1995 NJ PA NY MN ND SD IA MO NE KS TX OK AR LA KY TN MS AL CA HI WA OR WY CO NM AZ MT ID AK IN OH WI IL WV VA NC SC GA FL Pacific West South Central West North Central Mountain East North Central East South Central South Atlantic Middle Atlantic Northeast CT RI ME MA NH UT NV VT M=0.92 M=1.13 M=1.15 M=1.13 M=1.06 M=0.93 M=0.88 M=1.08 M=1.14 M = Median *Hospitalization Rate, Standardized by Age, Race, Sex, ESRD Cause MI MD DE
  7. 7. Distribution of SHR for First Admissions of Medicare Dialysis Patients by Dialysis Unit Size, 1993-1995 529 481 1814 Number of Dialysis Units: 50% 75% 25% 0.62 1.08 1.67 2.41 0.69 0.87 1. 35 1.63 1.10 0.75 0.88 1.22 1.39 1.04 SHR 22 71 148 Median Number Patients Per Unit Per Year: 10% 90% Under 20 20-50 Over 50 Expected Number of First Admissions in Three Year Period
  8. 8. Distribution of SHR for First Admission (Medicare) Ratios of Dialysis Units by Type, 1993-1995 Free Standing, Not-For-Profit Free Standing, For-Profit Hospital 50% 75% 25% .70 .88 1.33 1. 62 1.08 .64 .81 1.23 1.47 1.02 10% 90% 1.0 .81 .99 1.17 1.40 .66 236 1437 599 Number of Dialysis Units:
  9. 9. National SHRs of First Admissions by Year, Medicare 1991-1995 SHR* First Admissions 1991 1992 1993 1994 1995 SHR* *Standarized to 1995 Age, Sex, Race, Diagnosis Distribution SHR with 95 percent confidence interval 0.008 0.007 0.006 0.007 + - + - + - + -
  10. 10. Mean and Median Number of Hospital Admissions and Days During Year, Medicare 1991-1995
  11. 11. Weighted Average SMRs and SHRs* by Medicare Dialysis Unit Type, 1993-1995 Excludes Units with <20 Expected First Admissions in Period * Single rate calculated for all units of each type
  12. 12. Correlations* of SMRs andSHRs Across Years, by Dialysis Unit, 1991-1995 Excludes Units with <5 Expected First Admissions per Year * Spearman Rank Correlation n = 1814 to 2464 SMR SHR Year

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