Table 1:
Total (n=19,303) | No autoimmune disease (n=13,691) | Any autoimmune disease (n=5,612) |
Autoantibody not detected✣ (n=2,580) | Organ involvement ✣(n=2,720) | Systemic involvement✣ (n=1,271) |
|
---|---|---|---|---|---|---|
Female gender | 9,322 | 6,450 | 2,872 | 1,320 | 1,297 | 814 |
Median age at diagnosis (range) | 72 | 72 (30–101) | 72 (30–99) | 72 (30–97) | 72 (30–97) | 72 (30–93) |
Age group at diagnosis | ||||||
30–60 years | 3,652 | 2,663 | 989 | 448 | 454 | 277 |
61–70 years | 4,470 | 3,080 | 1,390 | 647 | 656 | 341 |
71–80 years | 6,296 | 4,412 | 1,884 | 841 | 944 | 409 |
>81 years | 4,885 | 3,536 | 1,349 | 644 | 666 | 244 |
See appendix 1