Table 4.

Survival of patients with breast cancer according to different stages and molecular subtypes

Characteristic	5-year OS rate [% (95% CI)]	5-year CSS rate [% (95% CI)]
Overall	89.4 (88.5–90.3)	90.3 (89.4–91.1)
Stage
I	96.5 (95.4–97.4)	97.1 (96.1–97.9)
II	91.6 (90.3–92.7)	92.6 (91.4–93.6)
III	74.8 (71.0–78.2)	75.6 (71.8–78.9)
IV	40.7 (31.0–50.1)	42.7 (32.8–52.1)
Molecular subtype
Luminal A	92.6 (91.5–93.6)	93.2 (92.1–94.2)
Luminal B	88.4 (85.3–90.9)	89.1 (86.1–91.5)
HER2	83.6 (79.3–87.0)	85.4 (81.3–88.7)
Triple-negative	82.9 (79.3–85.9)	83.5 (79.9–86.4)

OS overall survival, CSS cancer-specific survival, CI confidence interval