Table 1.
Characteristics of the HEAL Cases Compared with All Eligible SEER Casesa (Western Washington and New Mexico only)
| Western Washington | New Mexico | |||||
|---|---|---|---|---|---|---|
| SEER Cases | All HEAL Cases (202) | Postmenopausal HEAL Cases (120) | SEER Cases | All HEAL Cases (654) | Postmenopausal HEAL Cases (485) | |
| Ageb (mean, s.d.) | 52.4 (6.7) | 52.5 (6.4) | 56.2 (4.8) | 60.4 (13.9) | 59.5 (12.7) | 64.1 (10.0) |
| Race/ethnicityc | ||||||
| White, non-Hispanic | 1259 (89.0) | 174 (86.1) | 109 (90.9) | 1227 (74.1) | 497 (76.0) | 304 (79.0) |
| African-American | 51 (3.6) | 1 (0.5) | 1 (0.8) | |||
| Hispanic | 0 | 6 (3.0) | 2 (1.7) | 429 (25.9) | 153 (23.4) | 78 (20.2) |
| Asian-American | 75 (5.4) | 14 (7.0) | 6 (5.0) | |||
| Am. Indian | 2 (0.1) | 2 (1.0) | 1 (0.8) | 4 (0.6) | 3 (0.8) | |
| Unknown | 27 (1.9) | 5 (2.5) | 1 (0.8) | |||
| Stage of disease | ||||||
| 0 (in situ) | 327 (23.1) | 66 (32.4) | 34 (28.3) | 285 (17.2) | 121 (18.5) | 69 (17.9) |
| I | 605 (42.8) | 100 (49.5) | 63 (52.5) | 674 (40.7) | 409 (62.5) | 256 (66.5) |
| II | 424 (30.0) | 33 (16.3) | 20 (16.7) | 482 (29.1) | 122 (18.7) | 60 (15.6) |
| III | 58 (4.1) | 3 (1.4) | 3 (2.5) | 13 (2.0) | ||
| Unable to determine | 182 (11.0) | 2 (0.3) | ||||
| Lymph nodes | ||||||
| none | 1036 (73.2) | 160 (79.2) | 95 (79.2) | 1176 (71.0) | 494 (75.5) | 307 (79.7) |
| regional | 336 (23.8) | 34 (16.8) | 23 (19.2) | 398 (24.0) | 137 (20.1) | 68 (17.7) |
| distant | 0 | 0 | 0 | 1 (0.1) | 0 | 0 |
| unknown | 42 (3.0) | 8 (4.0) | 2 (1.6) | 81 (4.9) | 23 (3.5) | 10 (2.6) |
| Estrogen Receptor | ||||||
| positive | 872 (61.7) | 115 (56.9) | 75 (62.5) | 721 (43.5) | 374 (57.1) | 237 (61.6) |
| negative | 168 (11.9) | 21 (10.4) | 11 (9.2) | 351 (21.2) | 91 (13.9) | 40 (10.4) |
| borderline | 0 | 0 | 0 | 11 (0.7) | 2 (0.3) | 0 |
| unknown/not done | 379 (26.4) | 64 (31.7) | 34 (28.3) | 575 (34.6) | 187 (28.6) | 108 (28.0) |
a
SEER data for female breast cancer, Stage 0–IIIa, residence of King, Pierce, or Snohomish Counties of W. Washington or of Bernalillo, Santa Fe, Sandoval, Valencia, or Taos Counties of New Mexico
b
W. Washington: ages 40–64 only; New Mexico: ages 18+
c
W. Washington: all races eligible except African-American who could not be approached due to being interviewed for another FHCRC study; New Mexico: Hispanic and non-Hispanic whites only eligible