Table 4 Univariate and multivariate analyses for late recurrence in all cases (late vs no recurrence)

ALDH1, ≤1 %/>1 %

1.689 (0.883–3.164)

0.110

1.507 (0.738–2.998)

0.253

Bilateral breast cancer absent/present

17.136 (4.645–110.57)

<0.001

18.952 (4.812–126.55)

<0.001

Menopausal status pre/post

0.745 (0.493–1.121)

0.159

0.731 (0.464–1.144)

0.171

Tumor size, ≤20/>20 mm

2.854 (1.878–4.387)

<0.001

2.356 (1.495–3.749)

<0.001

Nodal metastasis negative/positive

3.442 (2.193–5.421)

<0.001

2.940 (1.809–4.790)

<0.001

Tumor grade 1 or 2/3

1.707 (1.001–2.877)

0.046

1.316 (0.727–2.339)

0.358