Table 4.
Characteristics of different causes of death for pPCL patients.
| Characteristics | Causes of death | P value | |||
|---|---|---|---|---|---|
| Leukemia (n = 123) | Myeloma (n = 106) | Other cancers (n = 7) | noncancer diseases (n = 37) | ||
| Age at diagnosis, median (range) | 62.00 (19.00, 91.00) | 63.50 (30.00, 91.00) | 60.00 (43.00, 90.00) | 66.00 (28.00, 89.00) | .0739 |
| Age at death, median (range) | 62.00 (19.00, 91.00) | 65.50 (30.00, 92.00) | 61.00 (45.00, 90.00) | 67.00 (29.00, 92.00) | .0232 |
| Interval of survival months, n (%) | .0004 | ||||
| <6 months | 56 (45.53) | 33 (31.13) | 3 (42.86) | 12 (32.43) | |
| 6 months | 29 (2.36) | 17 (16.04) | 0 (0.00) | 3 (8.11) | |
| 12 months | 26 (21.14) | 18 (16.98) | 3 (42.86) | 7 (18.92) | |
| 24 months | 6 (4.88) | 17 (16.04) | 0 (0.00) | 3 (8.11) | |
| 36 months | 3 (2.44) | 7 (6.60) | 1 (14.29) | 2 (5.41) | |
| ≥48 months | 3 (2.44) | 14 (13.21) | 0 (0.00) | 10 (27.03) | |
| Age group at diagnosis (%) | .1398 | ||||
| <40 years | 5 (4.07) | 5 (4.72) | 0 (0.00) | 1 (2.70) | |
| 40–59 years | 52 (42.28) | 40 (37.74) | 3 (42.86) | 9 (24.32) | |
| 60–79 years | 57 (46.34) | 46 (43.40) | 2 (28.57) | 18 (48.65) | |
| ≥80 years | 9 (7.32) | 15 (14.15) | 2 (28.57) | 9 (24.32) | |
| Sex (%) | <.0001 | ||||
| Male | 60 (48.78) | 62 (58.49) | 3 (42.86) | 21 (56.76) | |
| Female | 63 (51.22) | 44 (41.51) | 4 (57.14) | 16 (43.24) | |
| Marital status (%) | .0990 | ||||
| Married | 81 (65.85) | 66 (62.26) | 6 (85.71) | 17 (45.95) | |
| Other | 42 (34.15) | 40 (37.74) | 1 (14.29) | 20 (54.05) | |
| Race (%) | .1346 | ||||
| White | 92 (74.80) | 77 (72.64) | 5 (71.43) | 26 (70.27) | |
| Black | 26 (21.14) | 26 (24.53) | 0 (0.00) | 9 (24.32) | |
| Other | 5 (4.07) | 3 (2.83) | 2 (28.57) | 2 (5.41) | |
| Time periods of diagnosis (%) | .0854 | ||||
| 1975–1995 | 32 (30.19) | 26 (21.14) | 2 (28.57) | 14 (37.84) | |
| 1996–2000 | 11 (10.38) | 20 (16.26) | 2 (28.57) | 4 (10.81) | |
| 2001–2005 | 29 (27.36) | 45 (36.59) | 2 (28.57) | 5 (13.51) | |
| 2006–2009 | 34 (32.08) | 32 (26.02) | 1 (14.29) | 14 (37.84) | |
pPCL = primary plasma cell leukemia.