Table 1.
Characteristics of Patients With ASp and Controls
| ASp (N=42 327) | Controls (N=19 211 703) | |
|---|---|---|
| Age 65–69 y | 11 477 (27.1%) | 6 052 778 (31.5%) |
| Age 70–74 y | 9097 (21.5%) | 4 285 599 (22.3%) |
| Age 75–79 y | 8631 (20.4%) | 3 424 534 (17.8%) |
| Age 80 y or older | 13 122 (31.0%) | 5 448 792 (28.4%) |
| Men | 26 796 (63.3%) | 11 438 817 (59.5%) |
| White | 38 167 (90.2%) | 16 573 134 (86.3%) |
| Black | 1863 (4.4%) | 1 538 000 (8.0%) |
| Hispanic | 542 (1.3%) | 368 637 (1.9%) |
| Asian | 776 (1.8%) | 339 034 (1.8%) |
| Other | 979 (2.3%) | 392 898 (2.0%) |
Values are number (percent). The numbers for each age group represents the number of patients and controls in these groups in the prevalence analysis. ASp indicates ankylosing spondylitis.