Renal Function and Death in Older Women: Which eGFR Formula Should We Use?
Table 3
Association of eGFR category and all-cause mortality.
Estimating equation category, mL/min/1.73 m2
Age adjusted incidence rate per 1,000 person years (95% CI)
Hazard ratio (95% confidence interval)
Unadjusted (site only)
Base model
MV model
Final model
BIS1
≥75
75.7 (29.7, 121.6)
1.0 (reference)
1.0 (reference)
1.0 (reference)
1.0 (reference)
60 to <75
49.6 (42.0, 57.2)
0.9 (0.7, 1.2)
0.8 (0.6, 1.1)
0.9 (0.7, 1.1)
0.9 (0.7, 1.1)
45 to <60
55.7 (48.5, 62.8)
1.4 (1.1, 1.8)
1.0 (0.8, 1.4)
1.0 (0.8, 1.4)
1.0 (0.8, 1.3)
<45
90.3 (67.2, 113.5)
2.9 (2.2, 3.9)
1.7 (1.2, 2.3)
1.6 (1.1, 2.1)
1.5 (1.1, 2.0)
p-trend
<0.001
<0.001
0.002
0.006
CKD-
≥75
52.3 (45.7, 58.9)
1.0 (reference)
1.0 (reference)
1.0 (reference)
1.0 (reference)
60 to <75
56.5 (48.2, 64.9)
1.4 (1.2, 1.7)
1.2 (1.0, 1.4)
1.1 (0.9, 1.4)
1.1 (0.9, 1.3)
45 to <60
57.5 (45.6, 69.4)
1.6 (1.3, 2.0)
1.2 (1.0, 1.5)
1.1 (0.9, 1.4)
1.1 (0.9, 1.4)
<45
91.5 (63.1, 119.9)
3.1 (2.4, 4.0)
2.0 (1.5, 2.7)
1.8 (1.4, 2.4)
1.7 (1.3, 2.2)
p-trend
<0.001
<0.001
<0.001
0.003
BIS2
≥75
43.6 (29.6, 57.6)
1.0 (reference)
1.0 (reference)
1.0 (reference)
1.0 (reference)
60 to <75
49.3 (42.1, 56.4)
1.2 (0.9, 1.6)
1.1 (0.8, 1.4)
1.1 (0.8, 1.5)
1.1 (0.8, 1.5)
45 to <60
56.8 (49.8, 63.9)
1.9 (1.4, 2.5)
1.4 (1.0, 1.9)
1.4 (1.0, 1.9)
1.4 (1.0, 1.9)
<45
92.1 (72.0, 112.1)
3.7 (2.6, 5.1)
2.3 (1.6, 3.3)
2.1 (1.5, 3.0)
2.0 (1.4, 2.8)
p-trend
<0.001
<0.001
<0.001
<0.001
CKD-
≥75
49.7 (41.6, 57.8)
1.0 (reference)
1.0 (reference)
1.0 (reference)
1.0 (reference)
60 to <75
53.3 (45.7, 60.8)
1.3 (1.1, 1.6)
1.1 (0.9, 1.3)
1.1 (0.9, 1.3)
1.1 (0.9, 1.3)
45 to <60
61.8 (50.9, 72.6)
2.0 (1.6, 2.4)
1.4 (1.1, 1.8)
1.3 (1.1, 1.7)
1.3 (1.0, 1.6)
<45
101.7 (69.8, 133.5)
3.2 (2.5, 4.0)
2.1 (1.6, 2.8)
1.9 (1.5, 2.5)
1.8 (1.4, 2.3)
p-trend
<0.001
<0.001
<0.001
<0.001
eGFR, estimated glomerular filtration rate; BIS, Berlin Initiative Study; CKD-EPI, Chronic Kidney Disease Epidemiology Collaboration; cr, creatinine; cysc, cystatin C. Adjusted for age, race, and body mass index. Adjusted for age, race, body mass index, hypertension, and diabetes mellitus. Adjusted for age, race, body mass index, hypertension, diabetes mellitus, history of CHD, and self-reported health status.