Variables | Ankylosing spondylitis | Crude HR (95%CI) | Adjusted HR† (95%CI) | |||||
---|---|---|---|---|---|---|---|---|
No (N = 25,760) | Yes (N = 6440) | |||||||
event | Person years | rate | event | Person years | rate | |||
Sex | ||||||||
Male | 111 | 82,421 | 1.35 | 52 | 20,957 | 2.48 | 1.85 (1.33, 2.57)*** | 1.66 (1.19, 2.32)** |
Female | 99 | 88,437 | 1.12 | 50 | 22,295 | 2.24 | 2.01 (1.43, 2.82)*** | 1.85 (1.31, 2.62)*** |
Age, years | ||||||||
≤ 49 | 11 | 100,196 | 0.11 | 14 | 25,575 | 0.55 | 4.99 (2.26, 11.0)*** | 4.70 (2.10, 10.5)*** |
50–64 | 50 | 44,307 | 1.13 | 21 | 11,120 | 0.89 | 1.68 (1.01, 2.80)* | 1.32 (0.78, 2.21) |
≥ 65 | 149 | 26,356 | 5.65 | 67 | 6557 | 10.2 | 1.80 (1.35, 2.40)*** | 1.69 (1.26,2.26)*** |
Comorbidity‡ | ||||||||
No | 46 | 114,349 | 0.40 | 22 | 24,374 | 0.90 | 2.25 (1.35, 3.74)** | 2.71 (1.63, 4.50)*** |
Yes | 164 | 56,509 | 2.90 | 80 | 18,878 | 4.24 | 1.47 (1.12, 1.92)** | 1.61 (1.23, 2.10)*** |