Table 4.
Endocrine Therapy Treatment Effect (Univariate Analysis)
| Recurrence-Free Survival | Overall Survival | ||||||
|---|---|---|---|---|---|---|---|
| Parameter | Patients, No. | Events, No. | HR (95% CI) | P value | Events, No. | HR (95% CI) | P value |
| Patient who received ET | |||||||
| ER+-low (1–9.99%) | 41 | 5 | Ref | Ref | 3 | Ref | Ref |
| ER+-intermediate (10–19.9%) | 28 | 5 | 1.47 (0.42, 5.08) | 0.545 | 5 | 2.57 (0.61, 10.77) | 0.196 |
| Patient who did not receive ET | |||||||
| ER+-low (1–9.99%) | 42 | 16 | Ref | Ref | 10 | Ref | Ref |
| ER+-intermediate (10–19.9%) | 8 | 2 | 0.38 (0.05,2.86) | 0.346 | 1 | n/a | n/a |
Abbreviations: CI, confidence interval; ER, estrogen receptor; HR, hazard ratio; n/a, not applicable; Ref, reference, inadequate sample size to estimate.