Characteristics of the study cohort (United States Veterans Affairs): white and African American male veterans with at least one hospital admission between October 1, 1980, and September 30, 1996, who were followed more than one year
. | Whites . | . | African Americans . | . | ||
|---|---|---|---|---|---|---|
| Characteristics . | Other than MGUS . | MGUS . | Other than MGUS . | MGUS . | ||
| No. subjects | 3 248 795 | 1 312 | 749 020 | 734 | ||
| Mean age at study entry, y* | 53.8 | 63.7 | 49.4 | 61.5 | ||
| Time of follow-up, y, mean† | 10.0 | 4.2 | 10.0 | 4.4 | ||
| Person y at risk† | 32 347 635 | 5 557 | 7 519 478 | 3 226 | ||
| Mean age at ascertainment of MGUS, y | NA | 68.3 | NA | 66.2 | ||
| Mean age at diagnosis of multiple myeloma, y | 68.2 | 69.5 | 66.5 | 67.5 | ||
| No. multiple myeloma cases | 2217 | 105 | 1150 | 74 | ||
| Median no. hospital visits | 3 | 9 | 3 | 8 | ||
. | Whites . | . | African Americans . | . | ||
|---|---|---|---|---|---|---|
| Characteristics . | Other than MGUS . | MGUS . | Other than MGUS . | MGUS . | ||
| No. subjects | 3 248 795 | 1 312 | 749 020 | 734 | ||
| Mean age at study entry, y* | 53.8 | 63.7 | 49.4 | 61.5 | ||
| Time of follow-up, y, mean† | 10.0 | 4.2 | 10.0 | 4.4 | ||
| Person y at risk† | 32 347 635 | 5 557 | 7 519 478 | 3 226 | ||
| Mean age at ascertainment of MGUS, y | NA | 68.3 | NA | 66.2 | ||
| Mean age at diagnosis of multiple myeloma, y | 68.2 | 69.5 | 66.5 | 67.5 | ||
| No. multiple myeloma cases | 2217 | 105 | 1150 | 74 | ||
| Median no. hospital visits | 3 | 9 | 3 | 8 | ||