Table 2.
Person-years of follow-up and number of events (ESRD and death) by sex and baseline kidney function across age groups
| Baseline Kidney Function | Age Group (Years) | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 40–49 | 50–59 | 60–69 | 70–79 | ≥80 | |||||||||||
| Person-year | ESRD | Death | Person-year | ESRD | Death | Person-year | ESRD | Death | Person-year | ESRD | Death | Person-year | ESRD | Death | |
| Men | |||||||||||||||
| eGFR≥90 | 467,722.3 | 54 | 2180 | 314,757.5 | 76 | 3193 | 109,600.9 | 34 | 2749 | 14,339.7 | 5 | 1287 | 657.9 | 0 | 193 |
| eGFR=60–89 | 304,511.1 | 52 | 798 | 384,119.9 | 92 | 2111 | 308,060.0 | 116 | 4535 | 208,738.2 | 91 | 8565 | 50,614.4 | 21 | 6230 |
| eGFR=45–59 | 7565.0 | 29 | 84 | 19,727.6 | 44 | 280 | 40,747.3 | 72 | 946 | 59,865.6 | 85 | 3061 | 30,522.4 | 18 | 4182 |
| eGFR=30–44 | 1259.2 | 38 | 28 | 3256.3 | 76 | 8338.7 | 119 | 17,867.0 | 104 | 15,438.2 | 34 | 2955 | |||
| Women | |||||||||||||||
| eGFR≥90 | 635,645.4 | 58 | 1667 | 347,532.7 | 54 | 1973 | 121,663.4 | 28 | 1838 | 18,611.5 | 7 | 972 | 1150.4 | 0 | 262 |
| eGFR=60–89 | 331,199.0 | 45 | 684 | 398,113.4 | 55 | 1653 | 309,650.3 | 72 | 2979 | 234,192.0 | 48 | 5902 | 88,928.2 | 14 | 8587 |
| eGFR=45–59 | 8908.4 | 16 | 65 | 25,838.2 | 21 | 258 | 50162.7 | 47 | 809 | 82,292.6 | 42 | 2746 | 62,163.0 | 15 | 6264 |
| eGFR=30–44 | 1534.1 | 29 | 32 | 4048.6 | 39 | 130 | 10,239.3 | 62 | 359 | 27,717.2 | 60 | 1507 | 36,640.4 | 23 | 4971 |
Total person-year, ESRD (n), and death (n) occurred in the age group during the study follow-up. Age is considered in timescale (attained age method).