Table 1.
Oxford |
England |
|||||
---|---|---|---|---|---|---|
Number | Percentage | MRa | Number | Percentage | MRa | |
Age group (years) | ||||||
Under 25 | 2709 | 12.9 | 15 | 8627 | 9.7 | 17 |
25–29 | 2378 | 11.3 | 12 | 7002 | 7.8 | 18 |
30–34 | 2728 | 13 | 10 | 9370 | 10.5 | 14 |
35–39 | 3151 | 15 | 8 | 11 852 | 13.3 | 11 |
40–44 | 3550 | 16.9 | 7 | 12 396 | 13.9 | 10 |
45–49 | 3012 | 14.3 | 8 | 11 221 | 12.6 | 11 |
50–54 | 1539 | 7.3 | 14 | 10 947 | 12.3 | 12 |
55–59 | 667 | 3.2 | 23 | 6229 | 7 | 22 |
60–64 | 473 | 2.3 | 29 | 4369 | 4.8 | 31 |
65–69 | 348 | 1.7 | 42 | 2937 | 3.3 | 52 |
70–74 | 192 | 0.9 | 81 | 1984 | 2.2 | 87 |
75 + | 229 | 1.2 | 168 | 2334 | 2.6 | 207 |
Total | 20 976 | 100 | 14 | 89 268 | 100 | 22 |
aMatching ratio (MR) = the number of people in the reference cohort per person with BBD in each age stratum, see the ‘Methods’ section.