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Table 1 CKD stage definition and summary overall and by randomized treatment group per clinical trial*

From: Effect of pegloticase on renal function in patients with chronic kidney disease: a post hoc subgroup analysis of 2 randomized, placebo-controlled, phase 3 clinical trials

  

Study CO405 (%)

Study CO406 (%)

CKD stage

eGFR definition

PGL q2wks

PGL q4wks

Placebo

Overall

PGL q2wks

PGL q4wks

Placebo

Overall

  

(n = 43)

(n = 41)

(n = 20)

(n = 104)

(n = 42)

(n = 43)

(n = 23)

(n = 108)

1

≥90

8 (18.6)

6 (14.6)

3 (15.0)

17 (16.3)

9 (21.4)

5 (11.6)

3 (13.0)

17 (15.7)

2

60-89

14 (32.6)

12 (29.3)

4 (20.0)

30 (28.8)

12 (28.6)

19 (44.2)

13 (56.5)

44 (40.7)

3

30-59

15 (34.9)

19 (46.3)

11 (55.0)

45 (43.3)

17 (40.5)

13 (30.2)

5 (21.7)

35 (32.4)

4

15-29

6 (14.0)

4 (9.8)

2 (10.0)

12 (11.5)

4 (9.5)

5 (11.6)

2 (8.7)

11 (10.2)

5

<15 (or dialysis)

0

0

0

0

0

0

0

0

  1. CKD, chronic kidney disease; eGFR, estimated glomerular filtration rate; PGL, pegloticase; q2wks, every 2 weeks; q4wks, every 4 weeks.
  2. *Based on the intent to treat analysis data set; that is, all randomized patients who received at least one dose of treatment.
  3. As described by the National Kidney Foundation Kidney Disease Outcomes Quality Initiative.