Table 1 Selected patient and treatment characteristics, overall and by year of diagnosis range
From: Trends in the risk of second primary malignancies among survivors of chronic lymphocytic leukemia
Characteristics | 1973–2015 (N = 38,754) | 1973–1982 (N = 6174) | 1983–1992 (N = 7803) | 1993–2002 (N = 9018) | 2003–2015 (N = 15,759) |
|---|---|---|---|---|---|
Person-years | 269,729 | 49,377 | 67,037 | 78,891 | 74,424 |
Median age (range), years | 69 (15, 104) | 69 (15, 104) | 69 (26, 102) | 70 (20, 101) | 69 (15, 104) |
Age groups, N (%) | |||||
15–49 years | 2371 (6.12) | 332 (5.38) | 439 (5.63) | 668 (7.41) | 932 (5.91) |
50–79 years | 28,571 (73.72) | 4654 (75.38) | 5850 (74.97) | 6592 (73.10) | 11,475 (72.82) |
≥80 years | 7812 (20.16) | 1188 (19.24) | 1514 (19.40) | 1758 (19.49) | 3352 (21.27) |
Gender, N (%) | |||||
Male | 22,964 (59.26) | 3617 (58.58) | 4593 (58.86) | 5336 (59.17) | 9418 (59.76) |
Female | 15,790 (40.74) | 2557 (41.42) | 3210 (41.14) | 3682 (40.83) | 6341 (40.24) |
Race, N (%) | |||||
White | 35,179 (90.78) | 5744 (93.04) | 7192 (92.17) | 8255 (91.54) | 13,988 (88.76) |
Black | 2376 (6.13) | 375 (6.07) | 488 (6.25) | 527 (5.84) | 986 (6.26) |
Other | 808 (2.08) | 42 (0.68) | 100 (1.28) | 191 (2.12) | 475 (3.01) |
Unknown | 391 (1.01) | 13 (0.21) | 23 (0.29) | 45 (0.50) | 310 (1.97) |
Chemotherapy, N (%) | |||||
Yes | 9988 (25.77) | 2504 (40.56) | 2923 (37.46) | 2330 (25.84) | 2231 (14.16) |
No/unknown | 28,766 (74.23) | 3670 (59.44) | 4880 (62.54) | 6688 (74.16) | 13,528 (85.84) |
Radiation therapy, N (%) | |||||
Yes | 494 (1.27) | 195 (3.16) | 162 (2.08) | 88 (0.98) | 49 (0.31) |
No/unknown | 38,260 (98.73) | 5979 (96.84) | 7641 (97.92) | 8930 (99.02) | 15,710 (99.69) |
