Table 7 Univariate and multivariate analyses for survival time from recurrence detection until death due to breast cancer

ALDH1, 1 %/>1 %

1.552 (1.057–2.218)

0.025

1.451 (0.985–2.085)

0.059

Age, ≤50/>50 years

1.160 (0.856–1.581)

0.338

Not selected

Bilateral breast cancer absent/present

0.813 (0.438–1.376)

0.438

Not selected

Tumor size, ≤20/>20 mm

1.062 (0.764–1.503)

0.721

Not selected

Nodal status negative/positive

1.500 (1.109–2.032)

0.008

1.387 (1.020–1.890)

0.036

Progesterone receptor staining, <20 %/≥20 %

0.789 (0.582–1.072)

0.130

0.778 (0.572–1.060)

0.111

Ki-67 staining, <20 %/≥20 %

1.270 (0.888–1.781)

0.184

1.208 (0.839–1.706)

0.301

Tumor grade 1 or 2/3

1.519 (1.080–2.105)

0.016

1.438 (1.019–1.999)

0.038