Table 4 Univariate analysis of TNBC prognostic factors among three different cohorts

Cohort 1

 Age (≥ 50 vs. < 50)

0.797–1.608

.489

 Histologic grade (3 vs. 1 or 2)

0.604–1.315

.561

 Lymph node (positive vs. negative)

1.609–3.232

 < .001*

 LVI (positive vs. negative)

2.152–4.321

 < .001*

 pT (3 or 4 vs. 1 or 2)

1.214–4.713

.012*

 Stage (2 or 3 vs. 1)

1.155–2.621

.008*

 TILs (%)

0.974–0.989

 < .001*

 TROP2 (H-score)

0.998–1.003

.510

 TROP2 (high vs. low)

0.655–1.316

.676

Cohort 2

 Age (≥ 50 vs. < 50)

0.134–1.503

.194

 Histologic grade (3 vs.1 or 2)

0.543–3.408

.511

 Lymph node (positive vs. negative)

2.799–16.397

 < .001*

 LVI (positive vs. negative)

1.494–7.261

.003*

 ypT (3 or 4 vs. 1 or 2)

3.150–19.600

 < .001*

 Stage (2 or 3 vs. 1)

2.416–20.713

 < .001*

 TILs (%)

0.938–0.998

.036*

 TROP2 (H-score)

0.995–1.008

.621

 TROP2 (high vs. low)

0.518–2.972

.628

Cohort 3

 Age (≥ 50 vs. < 50)

0.405–2.577

.964

 TILs (%)

0.769–1.007

.063

 TROP2 (H-score)

1.001–1.020

.037*

 TROP2 (high vs. low)

0.963–7.227

.069