Table III.
Age-adjusted plasmacytoma incidence rates and relative survival according to primary site, SEER-12, 1992−2004*
|
Incidence |
5-year relative survival |
||||||
|---|---|---|---|---|---|---|---|
| Median |
(All ages) |
||||||
| Site | No. | (%) | age (years) | IR | No. | RS | (95% CI) |
| Bone | |||||||
| Axial skeleton (C41) | 547 | (83.1) | 64 | 0.12 | 422 | 64.8 | (58.7−70.9) |
| Appendicular skeleton (C40) | 111 | (16.9) | 69 | 0.03 | 79 | 59.4 | (43.9−74.9) |
| Extramedullary | |||||||
| All respiratory (C30−39) | 133 | (28.1) | 60 | 0.03 | 109 | 83.0 | (72.8−93.2) |
| Mouth and pharynx (C00−14) | 115 | (24.3) | 62 | 0.03 | 91 | 78.2 | (66.2−90.2) |
| Connective and soft tissues (C49) | 67 | (14.1) | 65 | 0.02 | 49 | 56.7 | (37.7−75.7) |
| Eye, brain, CNS (C69−72) | 41 | (8.6) | 59 | 0.01 | 32 | 48.1 | (25.2−71.0) |
| All digestive (C15−26) | 35 | (7.4) | 64 | 0.01 | 25 | 60.3 | (38.0−82.6) |
| Skin (C44) | 26 | (5.5) | 62 | 0.01 | 21 | 92.8 | (77.5−100.0) |
| Lymph nodes (C77) | 25 | (5.3) | 58 | 0.01 | 17 | 98.0 | (83.3−100.0) |
| All other sites | 32 | (6.8) | 61 | 0.01 | 21 | 73.2 | (46.0−100.0) |
Abbreviations: No., number of cases; IR, incidence rate; RS, 5-year relative survival (%); CI, confidence interval; CNS, central nervous system.
*
Incidence rates are age-adjusted to the 2000 US standard population and expressed per 100,000 person-years. Relative survival is based on cases diagnosed during 1992−2003 and followed through 2004. ICD-O-3 topography codes are specified adjacent to each site category.