Table 1.
Characteristics of Patients With AML and MDS and Matched Control Participants
| Variable | AML |
MDS |
||||
|---|---|---|---|---|---|---|
| Patients(n = 9,219) |
Controls(n = 36,389) | Patients(n = 1,662) |
Controls(n = 6,489) | |||
| No. | % | No. | % | |||
| Median age at diagnosis, years | 68 | 76 | ||||
| % male | 52.8 | 53.0 | 54.9 | 54.9 | ||
| Age group, years | ||||||
| < 40 | 1,262 | 13.7 | 33 | 2.0 | ||
| 40-49 | 704 | 7.6 | 30 | 1.8 | ||
| 50-59 | 1,057 | 11.5 | 102 | 6.1 | ||
| 60-69 | 1,978 | 21.5 | 266 | 16.0 | ||
| 70-79 | 2,609 | 28.3 | 639 | 38.5 | ||
| ≥ 80 | 1,609 | 17.4 | 592 | 35.6 | ||
| Year of diagnosis | ||||||
| Before 1990 | 5,257 | 57.0 | 0 | |||
| 1990-1994 | 1,487 | 16.1 | 250 | 15.0 | ||
| 1995-2000 | 1,236 | 13.4 | 719 | 43.3 | ||
| After 2000 | 1,239 | 13.5 | 693 | 41.7 | ||
Abbreviations: AML, acute myeloid leukemia; MDS, myelodysplastic syndrome.