Skip to main content

Table 2 Patient mortality and risk by dialysis status

From: Rates of adverse clinical events in patients with chronic kidney disease: analysis of electronic health records from the UK clinical practice research datalink linked to hospital data

Patient mortality and risk

DD-CKD

IDD-CKD

NDD-CKD

Overall

(n = 3,931)

Overall

(n = 3,330)

Overall

(n = 310,352)

Stage 3a

(n = 222,651)

Stage 3b

(n = 71,367)

Stage 4

(n = 15,033)

Stage 5

(n = 1,301)

1 year

Events, n

857

845

8,298

4,338

2,766

1,069

125

Mortality risk, KM%

(95% CI)

22.47

(21.13–23.79)

26.29

(24.74–27.80)

2.79

(2.73–2.85)

2.04

(1.98–2.10)

4.03

(3.89–4.18)

7.43

(7.00–7.85)

10.21

(8.49–11.89)

2 years

Events, n

299

277

15,517

8,145

5,281

1,890

201

Mortality risk, KM%

(95% CI)

31.46

(29.93–32.96)

36.44

(34.69–38.14)

8.30

(8.20–8.40)

6.08

(5.97–6.18)

12.14

(11.89–12.38)

21.32

(20.64–22.00)

27.64

(25.03–30.16)

3 years

Events, n

218

186

13,964

7,661

4,663

1,501

139

Mortality risk, KM%

(95% CI)

38.97

(37.30–40.59)

44.41

(42.53–46.23)

13.69

(13.56–13.82)

10.21

(10.08–10.35)

19.84

(19.53–20.15)

33.28

(32.47–34.08)

40.79

(37.83–43.60)

5 years

Events, n

316

255

22,701

13,221

7,348

1,968

164

Mortality risk, KM%

(95% CI)

52.51

(50.62–54.32)

58.36

(56.26–60.36)

23.80

(23.63–23.96)

18.50

(18.32–18.68)

33.68

(33.29–34.06)

51.18

(50.27–52.07)

58.30

(55.14–61.23)

  1. Where KM% is KM risk function multiplied by 100, including estimated 95% CI
  2. Abbreviations: CI confidence interval, CKD chronic kidney disease, DD dialysis-dependent, IDD incident dialysis-dependent, KM Kaplan–Meier, NDD non–dialysis-dependent