Table 4a.
Tumor hormone receptor status by ethnicitya
| Bantu (N=622) |
Nilote (N=136) |
Cushite (N=18) |
Total (N=776) |
P values- All* | P values - Bantus and Nilotes only* | ||
|---|---|---|---|---|---|---|---|
|
| |||||||
| N (%) | N (%) | N (%) | N (%) | ||||
|
|
|||||||
| ER Status | Negative | 185 (29.7) | 50 (36.8) | 7 (38.9) | 242 (31.2) | 0.22 | 0.11 |
| Positive | 437 (70.3) | 86 (64.2) | 11 (61.1) | 534 (68.8) | |||
| Missing | 0 | 0 | 0 | 0 | |||
| PR Status | Negative | 246 (39.6) | 61 (44.9) | 8 (44.4) | 315 (40.6) | 0.49 | 0.25 |
| Positive | 376 (60.5) | 75 (55.2) | 10 (55.6) | 461 (59.4) | |||
| Missing | 0 | 0 | 0 | 0 | |||
| HER2 Status | Negative | 466 (74.9) | 99 (72.8) | 12 (66.7) | 577 (74.4) | 0.66 | 0.61 |
| Positive | 156 (25.1) | 37 (27.2) | 6 (33.3) | 199 (25.6) | |||
| Missing | 0 | 0 | 0 | 0 | |||
| Receptor combinations | |||||||
| ER+ and/or PR+ (Luminal type A/B) | 443 (71.2) | 90 (66.2) | 12 (66.7) | 545 (70.2) | 0.60** | 0.32 | |
| ER- and PR- and HER2 positive (HER2+) | 61 (9.8) | 19 (14.0) | 2 (11.1) | 82 (10.6) | |||
| ER- and PR- and HER2 negative (Triple Negative) | 118 (19.0) | 27 (19.9) | 4 (22.2) | 149 (19.2) | |||
*
p-values from chi-square test except where noted; missing data were excluded from percentage calculations and statistical comparisons.
**
p-values from Fisher exact test.
a
47 patients were excluded from analysis due to missing data for hormone receptor status: Bantu 39, Nilote 7, and Cushite 1.