Table.
Comparison of tumour characteristics in users and non-users of hormone replacement therapy. Values are numbers (percentages) of patients
| Users (n=58) | Non-users (n=251) | P value | ||
|---|---|---|---|---|
| Tumour size (cm): | ||||
| T1 (<2) | 46 (79) | 140 (56) | 0.022* | |
| T2 (2-5) | 12 (21) | 108 (43) | ||
| T3 (>5) | NA | 3 (1) | ||
| Histology: | ||||
| Ductal | 43 (74) | 192 (76) | >0.10 | |
| Other† | 6 (10) | 12 (5) | ||
| In situ component: | ||||
| Present | 43 (74) | 102 (41) | <0.001 | |
| Absent | 15 (26) | 149 (59) | ||
| Grade: | ||||
| 1 | 18 (31) | 34 (14) | <0.01 | |
| 2 | 23 (40) | 107 (43) | ||
| 3 | 17 (29) | 110 (44) | ||
| Lymph node status: | ||||
| 0 | 40 (69) | 103 (41) | <0.001 | |
| 1-3 | 15 (26) | 70 (28) | ||
| 4-7 | 2 (3) | 49 (20) | ||
| 8-10 | 0 | 13 (5) | ||
| >10 | 1 (2) | 16 (6) | ||
*
Odds ratio=3.04 (95% confidence interval 1.1 to 3.5).
†
Mucinous, medullary, tubular.
NA = Not applicable.