Table 3.
Rate by yeara |
|||||
---|---|---|---|---|---|
Age group (years) | 1965–1974 | 1975–1984 | 1985–1994 | 1995–2002 | All years |
<30 | 10.7 | 7.5 | 9.6 | 2.4 | 7.8 |
30–39 | 554.2 | 227.8 | 141.9 | 97.6 | 223.0 |
40–49 | 946.4 | 660.4 | 337.5 | 287.2 | 495.3 |
50–59 | 468.8 | 374.7 | 261.5 | 198.5 | 311.4 |
60–69 | 357.8 | 246.7 | 240.3 | 228.3 | 264.9 |
70–79 | 284.3 | 273.9 | 255.2 | 271.0 | 270.0 |
≥80 | 87.2 | 64.8 | 84.1 | 140.5 | 97.8 |
Age-adjusted rate (95% CI)b | 342.7 (321.7–363.7) | 227.1 (211.2–243.0) | 151.0 (139.5–162.5) | 129.6 (119.0–140.3) | 196.4 (189.4–203.3) |
CI confidence interval.
Utilization rate per 100,000 person-years.
Utilization rate directly age-adjusted to the US population in 2000.