From: Comparison of cancer incidence among patients with rheumatic disease: a retrospective cohort study
RA (n = 2,104) | SLE (n = 1,052) | SSc (n = 274) | DM (n = 107) | PM (n = 49) | |
---|---|---|---|---|---|
Age at RD diagnosis, yr, mean (SD) | 51.0 (13.3) | 35.0 (13.4) | 48.5 (14.0) | 45.5 (13.4) | 47.9 (13.7) |
Sex, female (%) | 1,716 (81.6) | 935 (88.9) | 240 (87.6) | 81 (75.7) | 40 (81.6) |
Mean follow-up duration, yr (SD) | 7.4 (4.2) | 8.9 (4.8) | 6.6 (4.5) | 6.1 (4.8) | 6.7 (4.8) |
Total follow-up duration in person-years | 17,436 | 10,410 | 2,088 | 758 | 372 |
Cancer, n (%) | 106 (5.0) | 53 (5.0) | 16 (5.8) | 10 (9.3) | 2 (4.1) |
Age at cancer diagnosis, yr, mean (SD) | 62.8 (11.7) | 47.3 (14.7) | 55.5 (11.9) | 58.1 (14.6) | 65.8 (0.3) |
Time between RD and cancer, yr, mean (SD) | 5.0 (3.5) | 7.4 (4.0) | 5.8 (3.5) | 2.0 (2.1) | 5.0 (6.1) |