Table 5 Multivariate cox regression analyses for factors affecting disease free survival rates.

Node positivity (positive vs negative)

2.6

1.5–4.5

0.001

Tumor size >2 cm (vs ≤2 cm)

2.1

1.2–3.7

0.010

Nuclear grade (high vs low&intermediate)

1.1

0.6–1.8

0.846

Histologic grade (high vs low&intermediate)

1.6

1.0–2.7

0.060

Lymphovascular invasion (positive vs negative)

1.3

0.8–2.2

0.309

Estrogen receptor (negative vs positive)

1.4

0.9–2.3

0.140

TLI (high vs low)

1.2

0.7–1.9

0.522