Table 1 Patient Characteristics
Overall Freq | % | Treatment Freq | % | No Treatment Freq | % | P Value | ||
|---|---|---|---|---|---|---|---|---|
Total | 7,048 | 100 | 5,887 | 83.5 | 1,161 | 16.5 | ||
Age | ||||||||
66-69 | 985 | 14.0 | 889 | 15.1 | 96 | 8.3 | ||
70-74 | 1,576 | 22.4 | 1,384 | 23.5 | 192 | 16.5 | < 0.0001 | |
75-79 | 1,742 | 24.7 | 1,497 | 25.4 | 245 | 21.1 | ||
≥ 80 | 2,745 | 38.9 | 2,117 | 36.0 | 628 | 54.1 | ||
Median Age | 77 | 72-82 | 77 | 72-82 | 80 | 75-86 | ||
Gender | ||||||||
Male | 3,228 | 45.8 | 2,685 | 45.6 | 543 | 46.8 | < 0.01 | |
Female | 3,820 | 54.2 | 3,202 | 54.4 | 618 | 53.2 | ||
Race | ||||||||
Black | 240 | 3.4 | 171 | 2.9 | 59 | 5.1 | ||
Other | 632 | 9.0 | 489 | 8.3 | 110 | 9.5 | 0.01 | |
White | 6,176 | 87.6 | 5,184 | 88.1 | 992 | 85.4 | ||
Stage at diagnosis | ||||||||
I | 2,182 | 31.0 | 1,838 | 31.2 | 344 | 29.6 | ||
II | 1,330 | 18.9 | 1,158 | 19.7 | 172 | 14.8 | ||
III | 1,009 | 14.3 | 866 | 14.7 | 143 | 12.3 | < 0.0001 | |
IV | 2,044 | 28.4 | 1,661 | 28.2 | 383 | 33.0 | ||
unknown | 483 | 6.9 | 364 | 6.2 | 119 | 10.2 | ||
Histology | 0.0 | |||||||
Centroblastic | 6,902 | 97.9 | 5,773 | 98.1 | 1,129 | 97.2 | 0.07 | |
Immunoblastic | 146 | 2.1 | 114 | 1.9 | 32 | 2.8 | ||
Lymph node site | ||||||||
Extranodal | 4,218 | 59.8 | 3,486 | 59.2 | 732 | 63.0 | < 0.0001 | |
Nodal | 2,347 | 33.3 | 2,037 | 34.6 | 310 | 26.7 | ||
Unkown | 483 | 6.9 | 364 | 6.2 | 119 | 10.2 | ||
NCI Comorbidity Index | ||||||||
0 | 4,075 | 57.8 | 3,458 | 58.7 | 617 | 53.1 | < 0.0001 | |
1 | 1,729 | 24.5 | 1,453 | 24.7 | 276 | 23.8 | ||
2 | 707 | 10.0 | 579 | 9.8 | 128 | 11.0 | ||
≥ 3 | 537 | 7.6 | 397 | 6.7 | 140 | 12.1 | ||
Year of diagnosis | ||||||||
2001 | 1,300 | 18.4 | 1,065 | 18.1 | 235 | 20.2 | ||
2002 | 1,395 | 19.8 | 1,160 | 19.7 | 235 | 20.2 | < 0.01 | |
2003 | 1,445 | 20.5 | 1,237 | 21.0 | 208 | 17.9 | ||
2004 | 1,465 | 20.8 | 1,230 | 20.9 | 235 | 20.2 | ||
2005 | 1,443 | 20.5 | 1,195 | 20.3 | 248 | 21.4 | ||
SEER region | ||||||||
CT | 435 | 6.2 | 365 | 6.2 | 70 | 6.0 | ||
Detroit | 482 | 6.8 | 409 | 6.9 | 73 | 6.3 | ||
HI | 84 | 1.2 | 70 | 1.2 | 14 | 1.2 | ||
IA | 526 | 7.5 | 453 | 7.7 | 73 | 6.3 | ||
NM | 166 | 2.4 | 133 | 2.3 | 33 | 2.8 | ||
Seattle | 397 | 5.6 | 331 | 5.6 | 66 | 5.7 | < 0.01 | |
UT | 253 | 3.6 | 206 | 3.5 | 47 | 4.0 | ||
Atlanta | 184 | 2.6 | NS | NS | NS | NS | ||
Rural GA | 20 | 0.3 | NS | NS | NS | NS | ||
KY | 614 | 8.7 | 496 | 8.4 | 118 | 10.2 | ||
LA | 506 | 7.2 | 419 | 7.1 | 87 | 7.5 | ||
NJ | 1,223 | 17.4 | 1,045 | 17.8 | 178 | 15.3 | ||
CA | 2,158 | 30.6 | 1,788 | 30.4 | 370 | 31.9 | ||
Percent of 25+ year olds in census tract with some college | 0.87 | |||||||
0-< 25% | 2,535 | 36.0 | 2,127 | 36.1 | 408 | 35.1 | ||
≥ 25% | 4,513 | 64.0 | 3,760 | 63.9 | 753 | 64.9 | ||
Urban vs.rural | ||||||||
Big Metro | 3,867 | 54.9 | 3,256 | 55.3 | 611 | 52.6 | ||
Metro | 2,071 | 29.4 | 1,708 | 29.0 | 363 | 31.3 | 0.33 | |
Urban | 410 | 5.8 | 342 | 5.8 | 68 | 5.9 | ||
Less Urban | 570 | 8.1 | 470 | 8.0 | 100 | 8.6 | ||
Rural | 130 | 1.8 | 111 | 1.9 | 19 | 1.6 | ||
Percent living in poverty in census tract | ||||||||
Missing | 38 | 0.5 | NS | NS | NS | NS | ||
0-< 5% | 2,311 | 32.8 | NS | NS | NS | NS | 0.05 | |
5-< 7% | 978 | 13.9 | 811 | 13.8 | 167 | 14.4 | ||
7-< 12% | 1,552 | 22.0 | 1306 | 22.2 | 246 | 21.2 | ||
≥ 12% | 2,169 | 30.8 | 1762 | 29.9 | 407 | 35.1 | ||
Other conditions | ||||||||
Anemia | 652 | 9.3 | 501 | 8.5 | 151 | 13.0 | < 0.0001 | |
Neutropenia | 14 | 0.2 | NS | NS | NS | NS | 0.65 | |
Thrombocytopenia | 43 | 0.6 | NS | NS | NS | NS | 0.52 | |
Cardiovascular disease | 849 | 12.0 | 659 | 11.2 | 190 | 16.4 | < 0.0001 |