Table 1. Patient characteristics.
| Total (n=13 918) No. (%)a | 0 nodes (n=9658) No. (%)a | 1 node (n=824) No. (%)a | 2–5 nodes (n=1202) No. (%)a | 6–10 nodes (n=714) No. (%)a | 11–20 nodes (n=813) No. (%)a | >20 nodes (n=707) No. (%)a | |
|---|---|---|---|---|---|---|---|
| Age at diagnosis (years) | |||||||
| Mean | 62.7 (±0.1) | 64.1 (±0.1) | 60.9 (±0.4) | 59.9 (±0.4) | 59.1 (±0.5) | 58.1 (±0.5) | 57.1 (±0.5) |
| Median (range) | 64.0 (12–101) | 65.0 (13–101) | 61.0 (22–90) | 60.0 (20–94) | 59.5 (20–93) | 58.0 (12–90) | 57.0 (15–91) |
| Median year of diagnosis | 1995 | 1994 | 1995 | 1996 | 1997 | 1997 | 1998 |
| Race | |||||||
| Caucasians | 12240 (87.9%) | 8498 (88.0%) | 709 (86.0%) | 1037 (86.3%) | 629 (88.1%) | 741 (91.1%) | 626 (88.5%) |
| African Americans | 782 (5.6%) | 549 (5.7%) | 57 (6.9%) | 83 (6.9%) | 41 (5.7%) | 32 (3.9%) | 20 (2.8%) |
| Asiansb | 612 (4.4%) | 407 (4.2%) | 36 (4.4%) | 57 (4.7%) | 30 (4.2%) | 31 (3.8%) | 51 (7.2%) |
| Othersc | 267 (1.9%) | 195 (2.0%) | 22 (2.7%) | 24 (2.0%) | 12 (1.7%) | 8 (1.0%) | 6 (0.8%) |
| Unknown | 17 (0.1%) | 9 (0.1%) | 0 (0.0%) | 1 (0.1%) | 2 (0.3%) | 1 (0.1%) | 4 (0.6%) |
| Year of diagnosis | |||||||
| 1988–1992 | 4142 (29.8%) | 3288 (34.0%) | 265 (32.2%) | 267 (22.2%) | 129 (18.1%) | 122 (15.0%) | 71 (10.0%) |
| 1993–1997 | 5327 (38.3%) | 3766 (39.0%) | 283 (34.3%) | 489 (40.7%) | 276 (38.7%) | 296 (36.4%) | 217 (30.7%) |
| 1998–2001 | 4449 (31.9%) | 2604 (27.0%) | 276 (33.5%) | 446 (37.1%) | 309 (43.3%) | 395 (48.6%) | 419 (59.3%) |
a
Percentage of patients for given parameter.
b
Asians were defined as Chinese, Japanese, Korean, Vietnamese, and Filipino.
c
Others were defined as all other race/ethnicity parameters.