Table 2 Distribution of baseline renal function by estimating equation

≥ 90

2345 (81.4%)

2714 (90.7%)

2466 (82.4%)

60–89

503 (16.8%)

207 (6.9%)

416 (13.9%)

45–59

75 (2.5%)

29 (0.8%)

57 (1.9%)

30–44

31 (1.0%)

21 (0.7%)

24 (0.8%)

15–29

27(0.9%)

13 (0.4%)

20 (0.7%)

< 15

10 (0.3%)

7 (0.2%)

8 (0.3%)