Table 3 OS univariate and multivariate analysis of immune parameters evaluated on metastasis biopsies of triple-negative breast cancer

TILs

Low ≤10%

11.8 (4.1–19.5)

ref

0.012

ref

High > 10%

62.9 (52.3–73.5)

0.29 (0.11–0.76)

0.06 (0.01–0.29)

CD8/FOXP3 ratio

1st tertile

8.0 (0.0–17.1)

ref

0.020

ref

2nd tertile

13.2 (0.0–28.3)

0.59 (0.22–1.58)

0.17 (0.05–0.59)

3rd tertile

54.0 (32.4–75.7)

0.20 (0.06–0.67)

0.03 (0.004–0.15)