Table 3 Comparison of OS and PRS between the asymptomatic and symptomatic MBC groups according to subtype.
 | Overall survival (months) | 95% Confidence interval | p-value | Post-recurrence survival (months) | 95% Confidence interval | p-value |
---|---|---|---|---|---|---|
Luminal | ||||||
Asymptomatic MBC | 112 | 98–150 | 0.91 | 54 | 48–73 | 0.08 |
Symptomatic MBC | 124 | 72–146 |  | 41 | 29–56 |  |
HER2 | ||||||
Asymptomatic MBC | 113 | 59–195 | 0.40 | 71 | 25–89 | 0.09 |
Symptomatic MBC | 72 | 49–112 |  | 27 | 16–57 |  |
Triple negative | ||||||
Asymptomatic MBC | 46 | 24–112 | 0.06 | 28 | 8–100 | 0.01 |
Symptomatic MBC | 37.5 | 19–63 |  | 10.5 | 5–23 |  |