Table 4.
Prevalence of reduced renal function across age groups.
| Prevalence of reduced renal function,a Number (%) | ||||||
|---|---|---|---|---|---|---|
| Age groups, years | P valueb | |||||
| 40–49 | 50–59 | 60–69 | 70–79 | 80–95 | ||
| All (N = 13,288) | 88 (1.7) | 147 (3.4) | 184 (7.4) | 171 (19.1) | 138 (33.8) | < 0.001 |
| Men (N = 7782) | 63 (2.1) | 104 (4.1) | 109 (7.5) | 97 (18.2) | 84 (31.5) | < 0.001 |
| Women (N = 5506) | 25 (1.1) | 43 (2.5) | 75 (7.1) | 74 (20.3) | 54 (38.3) | < 0.001 |
aReduced renal function was defined as estimated glomerular filtration rate < 60 mL/min/1.73 m2.
bChi-square test was used to compare the difference among age groups.