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Table 2 Annual progression rates stratified by age

From: Spectrum (characteristics) of patients with chronic kidney disease (CKD) with increasing age in a major metropolitan renal service

   

Progress to RRT

Progress to death

CKD stage at consent

Number of patients

Follow-up years

Total number of patients progressing to RRT

Annual progression rate (%)a

Total number of patients’ death

Annual progression rate (%)a

Patients aged <75 years

 CKD 2

110

279.5

1

0.4

2

0.72

 CKD 3

406

1087.9

8

0.7

28

2.57

 CKD 4

176

396.7

39

9.8

30

7.56

 CKD 5

45

47.9

31

64.7

3

6.26

Patients aged >/=75 years

 CKD 2

18

38.4

0

0.0

4

10.4

 CKD 3

218

537.3

1

0.2

29

5.4

 CKD 4

177

391.5

3

0.8

58

14.8

 CKD 5

25

28.3

3

10.6

14

49.5

  1. Notes: Annual rate of progression (per 100 person years) = (total patients (RRT or death) / follow-up years) a 100