Table 1.
Demographic and clinical characteristics of 3,548 identified cases of Burkitt’s Lymphoma from SEER during 2000–2013
| Children (n=797) | Adults (n=1,994) | Elderly (n=757) | ||||
|---|---|---|---|---|---|---|
| Count | % | Count | % | Count | % | |
| Age (Mean±SD) | 8.21±4.09 | 53.63±8.79 | 78.51±4.76 | |||
| Race | ||||||
| White | 644 | 80.8 | 1,643 | 82.4 | 645 | 85.2 |
| Black | 78 | 9.8 | 189 | 9.5 | 34 | 4.5 |
| Asian or Pacific Islander | 66 | 8.3 | 145 | 7.3 | 71 | 9.4 |
| Unknown | 9 | 1.2 | 17 | 0.9 | 7 | 0.9 |
| Marital status | ||||||
| Single | 795 | 99.8 | 897 | 45.0 | 311 | 41.1 |
| Married | 0 | 0.0 | 1,017 | 51.0 | 416 | 55.0 |
| Unknown | 2 | 0.3 | 80 | 4.0 | 30 | 4.0 |
| Sex | ||||||
| Female | 175 | 22.0 | 527 | 26.4 | 341 | 45.0 |
| Male | 622 | 78.0 | 1,467 | 73.6 | 416 | 55.0 |
| Primary site | ||||||
| Lymph nodes | 423 | 53.1 | 1,320 | 66.2 | 435 | 57.5 |
| Head and neck | 35 | 4.4 | 38 | 1.9 | 24 | 3.2 |
| GI tract | 112 | 14.1 | 260 | 13.0 | 123 | 16.3 |
| Bone marrow | 151 | 19.0 | 180 | 9.0 | 91 | 12.0 |
| CNS | 7 | 0.9 | 36 | 1.8 | 9 | 1.2 |
| Others | 69 | 8.7 | 160 | 8.0 | 75 | 9.9 |
| Number of primaries | ||||||
| One primary only | 783 | 98.2 | 1,667 | 83.6 | 511 | 67.5 |
| 2 Primaries | 14 | 1.76 | 305 | 15.8 | 206 | 27.2 |
| 3 primaries | 0 | 0.0 | 22 | 1.1 | 40 | 5.3 |
| Behavior | ||||||
| Localized | 166 | 20.8 | 303 | 15.2 | 140 | 18.5 |
| Metastatic | 463 | 58.1 | 1,469 | 73.7 | 478 | 63.1 |
| Unknown | 168 | 21.1 | 222 | 11.1 | 139 | 18.4 |
| Year of diagnosis | ||||||
| 2000–2004 | 259 | 32.5 | 640 | 32.1 | 263 | 34.7 |
| 2005–2009 | 288 | 36.1 | 758 | 38.0 | 283 | 37.4 |
| 2010–2013 | 250 | 31.4 | 596 | 29.9 | 211 | 27.9 |
| Stage | ||||||
| I | 165 | 20.7 | 303 | 15.2 | 137 | 18.1 |
| II | 138 | 17.3 | 260 | 13.0 | 104 | 13.7 |
| III | 106 | 13.3 | 176 | 8.8 | 72 | 9.5 |
| IV | 218 | 27.4 | 1,031 | 51.7 | 302 | 39.9 |
| Unknown | 170 | 21.3 | 224 | 11.2 | 142 | 18.8 |
Abbreviations: CNS: central nervous system; GI: gastrointestinal; SD: standard deviation.