An overview of regular dialysis treatment in Japan as of Dec. 31, 2005

Japanese Society for Dialysis Therapy

Contents
Statistical Survey Committee…………………………………………………… i
On Publication……………………………………………………………………… ii

I.Basic Statistics Concerning Chronic Dialysis Patients at the End of 2005
1) Summary of chronic dialysis therapy in Japan
 (1) Summary of chronic dialysis therapy in Japan (Chart 1) …………………………… 2

2) Number of patients
 (1) Changes in the number of chronic dialysis patients (Chart 2) …………………… 3
(2) Changes in the annual numbers of dialysis patients, patients
in whom dialysis therapy was initiated, and patients who died (Chart 3)…………… 4
(3) Annual changes in the number of patients undergoing dialysis
per 1,000,000 people (Chart 4) ………………………………………………………………… 5
(4) Changes in the number of patient stations (Chart 5)………………………………… 6
(5) Modes of chronic dialysis therapy (Chart 6)…………………………………………… 7
(6) Numbers of chronic dialysis patients by the prefecture (Chart 7) ……………… 8
(7) Number of patients by the history of dialysis and gender (Chart 8) …………… 9

3) State of patients in whom dialysis therapy was initiated
 (1) Age and gender of patients in whom dialysis therapy was initiated (Chart 9)… 10
(2) Primary diseases and mean age of patients in whom dialysis therapy
was initiated (Chart 10)……………………………………………………………………………11
(3) Annual changes in major primary diseases in patients
in whom dialysis therapy was initiated (Chart 11)………………………………………… 12

4) State of patients at the year end
 (1) Age and gender of patients at the year end (Chart 12)……………………………… 13
(2) Primary diseases and mean age of patients at the year end (Chart 13) ………… 14
(3) Changes in the percentages of patients with various primary
diseases at the year end (Chart 14)…………………………………………………………… 15
(4) Annual changes in the mean ages of patients at the initiation
of dialysis therapy and at the year end (Chart 15)…………………………………………16

5) Causes of death
 (1) Classification of causes of death in patients in whom dialysis therapy
was initiated (Chart 16)……………………………………………………………………………17
(2) Changes in causes of death in the year of initiation
of dialysis therapy (Chart 17)……………………………………………………………………18
(3) Classification of causes of death in patients who died in 2005 (Chart 18) ……19
(4) Annual changes in the causes of death (Chart 19)………………………………………20

6) Gross annual mortality rate and survival rate
 (1) Annual changes in the mortality rate (Chart 20)……………………………………… 21
(2) Changes in the mortality rate 1, 5, 10, 15, and 20 years
after the initiation of dialysis therapy (Chart 21)……………………………………… 22
II. Statistics Concerning New Investigation Items
1) State of treatment of renal anemia
(1) Distribution of the hemoglobin concentration before dialysis (Chart 22)……… 25
(2) Erythropoietin dose (Chart 23)………………………………………………………………26
(3) Iron metabolism by the erythropoietin dose (Chart 24)……………………………… 27

2) Hemodyamics and depressors
(1) Distribution of the blood pressure and heart rate at the initiation
of dialysis (Chart 25)………………………………………………………………………………28
(2) Classification according to the criteria of the Japanese Society
of Hypertension (Chart 26)…………………………………………………………………………29
(3) Changes in the blood pressure and heart rate before
and after dialysis (Chart 27)…………………………………………………………………… 30
(4) State of use of depressors (Chart 28)…………………………………………………… 31
(5) Treatment for hypotension during dialysis (Chart 29)…………………………………32

3) State of peritoneal dialysis
(1) State of treatment by peritoneal dialysis (Chart 30)…………………………………33
(2) Mode of peritoneal dialysis (Chart 31)……………………………………………………34
(3) Dialysis solutions (Chart 32)……………………………………………………………… 35
(4) Total volume of dialysis solution used per day (Chart 33)………………………… 36
(5) Mean daily water elimination (Chart 34)………………………………………………… 37
(6) PET D/P ratio (Chart 35)………………………………………………………………………38
(7) Frequencies of peritonitis and encapsulating peritoneal sclerosis (Chart 36)) 39
An overview of regular dialysis treatment in Japan as of Dec. 31, 2005 1.67Mbyte