Observed and expected cancers and SIRs among Danish patients diagnosed with ET during 1977-2008 and followed for new primary cancers
| . | Person-years of patients with ET . | ET patients with nonhematologic cancers, n . | Nonhematologic cancers expected, n . | SIR (95% CI) . | ET patients with hematologic cancers, n . | Hematologic cancers expected, n . | SIR (95% CI) . |
|---|---|---|---|---|---|---|---|
| All | 8087 | 152 | 125.7 | 1.2 (1.0-1.4) | 37 | 7.4 | 5.0 (3.5-6.9) |
| Women | 5516 | 89 | 83.3 | 1.1 (0.9-1.3) | 23 | 4.5 | 5.1 (3.2-7.6) |
| Men | 2571 | 63 | 42.3 | 1.5 (1.1-1.9) | 14 | 2.8 | 5.0 (2.7-8.3) |
| Age at ET diagnosis, y | |||||||
| 20-49 | 2280 | 13 | 12.9 | 1.0 (0.5-1.7) | 2 | 0.5 | 3.8 (0.5-13.7) |
| 50-69 | 3574 | 72 | 57.4 | 1.3 (1.0-1.6) | 22 | 3.2 | 6.9 (4.3-10.4) |
| 70+ | 2234 | 67 | 55.3 | 1.2 (0.9-1.5) | 13 | 3.6 | 3.6 (1.9-6.4) |
| Year of ET diagnosis | |||||||
| 1977-1994 | 2198 | 34 | 29.9 | 1.1 (0.8-1.6) | 10 | 1.7 | 5.8 (2.8-10.7) |
| 1995-2008 | 5889 | 118 | 95.8 | 1.2 (1.0-1.5) | 27 | 5.6 | 4.8 (3.2-7.0) |
| Follow-up time | |||||||
| Year 2 | 1455 | 32 | 22.7 | 1.4 (1.0-2.0) | 8 | 1.3 | 6.0 (2.6-11.8) |
| Years 3-5 | 3142 | 60 | 48.9 | 1.2 (0.9-1.6) | 15 | 2.9 | 5.2 (2.9-8.6) |
| Years 6+ | 3490 | 60 | 54.1 | 1.1 (0.9-1.4) | 14 | 3.1 | 4.5 (2.5-7.5) |
| Hospital contact type (from 1995 on) | |||||||
| Outpatient only | 3350 | 63 | 53.1 | 1.2 (0.9-1.5) | 12 | 3.1 | 3.9 (2.0-6.7) |
| Inpatient admission | 2539 | 55 | 42.6 | 1.3 (1.0-1.7) | 15 | 2.5 | 5.9 (3.3-9.8) |
| . | Person-years of patients with ET . | ET patients with nonhematologic cancers, n . | Nonhematologic cancers expected, n . | SIR (95% CI) . | ET patients with hematologic cancers, n . | Hematologic cancers expected, n . | SIR (95% CI) . |
|---|---|---|---|---|---|---|---|
| All | 8087 | 152 | 125.7 | 1.2 (1.0-1.4) | 37 | 7.4 | 5.0 (3.5-6.9) |
| Women | 5516 | 89 | 83.3 | 1.1 (0.9-1.3) | 23 | 4.5 | 5.1 (3.2-7.6) |
| Men | 2571 | 63 | 42.3 | 1.5 (1.1-1.9) | 14 | 2.8 | 5.0 (2.7-8.3) |
| Age at ET diagnosis, y | |||||||
| 20-49 | 2280 | 13 | 12.9 | 1.0 (0.5-1.7) | 2 | 0.5 | 3.8 (0.5-13.7) |
| 50-69 | 3574 | 72 | 57.4 | 1.3 (1.0-1.6) | 22 | 3.2 | 6.9 (4.3-10.4) |
| 70+ | 2234 | 67 | 55.3 | 1.2 (0.9-1.5) | 13 | 3.6 | 3.6 (1.9-6.4) |
| Year of ET diagnosis | |||||||
| 1977-1994 | 2198 | 34 | 29.9 | 1.1 (0.8-1.6) | 10 | 1.7 | 5.8 (2.8-10.7) |
| 1995-2008 | 5889 | 118 | 95.8 | 1.2 (1.0-1.5) | 27 | 5.6 | 4.8 (3.2-7.0) |
| Follow-up time | |||||||
| Year 2 | 1455 | 32 | 22.7 | 1.4 (1.0-2.0) | 8 | 1.3 | 6.0 (2.6-11.8) |
| Years 3-5 | 3142 | 60 | 48.9 | 1.2 (0.9-1.6) | 15 | 2.9 | 5.2 (2.9-8.6) |
| Years 6+ | 3490 | 60 | 54.1 | 1.1 (0.9-1.4) | 14 | 3.1 | 4.5 (2.5-7.5) |
| Hospital contact type (from 1995 on) | |||||||
| Outpatient only | 3350 | 63 | 53.1 | 1.2 (0.9-1.5) | 12 | 3.1 | 3.9 (2.0-6.7) |
| Inpatient admission | 2539 | 55 | 42.6 | 1.3 (1.0-1.7) | 15 | 2.5 | 5.9 (3.3-9.8) |