Table 2.

Kaplan–Meier estimates of early- and late-distant recurrence-free survival for 3 BCI risk groups in Stockholm TAM and multi-institutional cohorts

Stockholm TAM-treatedMulti-institutional
Patient subgroupsNo. of patients (%)No. DRDRFS (95% CI)No. of patients (%)No. DRDRFS (95% CI)
Early-distant recurrence at 5 y
 BCI low risk202 (64%)498.0 (96.0–100)196 (55%)895.9 (93.1–98.7)
 BCI intermediate risk65 (20%)395.2 (90.1–100)78 (22%)692.3 (86.5–98.4)
 BCI high risk50 (16%)687.8 (79.0–97.4)84 (23%)2075.5 (66.7–85.4)
Late-distant recurrence at 10 ya
 BCI low risk184 (65%)897.2 (94.8–99.7)181 (58%)497.5 (95.0–100.0)
 BCI intermediate risk58 (20%)592.8 (86.2–99.9)70 (22%)1083.1 (73.8–93.5)
 BCI high risk43 (15%)789.9 (80.9–99.8)61 (20%)985.0 (76.4–94.5)

Abbreviations: DR, distant recurrence; DRFS, distant recurrence-free survival.

  • aIn patients who were recurrence-free at 5 years.