Table 5 Multivariate analysis of prognostic factors for local recurrence and regional recurrence

Age, y

0.001

<0.001

 >45

1.000

1.000

  ≤ 45

1.688 (1.232–2.313)

2.061 (1.560–2.723)

Tumor location

<0.001

0.001

 Other quadrants

1.000

1.000

 Inner quadrant

2.059 (1.488–2.851)

1.684 (1.251–2.268)

No. of axillary nodes dissected

0.428

0.299

  ≥ 10

1.000

1.000

 <10

1.337 (0.652–2.741)

1.407 (0.738–2.682)

T Stage

<0.001

<0.001

 T1–2

1.000

1.000

 T3–4

7.381 (4.097–13.296)

3.585 (2.025–6.349)

N Stage

<0.001

<0.001

 N0

1.000

1.000

 N1

2.070 (1.455–2.944)

3.215 (2.321–4.453)

 N2

2.716 (1.241–5.947)

5.169 (2.752–9.709)

 N3

9.871 (5.223–18.656)

12.636 (7.215–22.131)

Tumor grade

0.144

0.110

 1

1.000

1.000

 2

3.719 (0.913–15.147)

1.433 (0.626–3.282)

 3

4.109 (0.992–17.010)

1.881 (0.807–4.384)

Hormone receptor status

0.002

0.007

 Positive

1.000

1.000

 Negative

1.741 (1.236–2.454)

1.536 (1.123–2.102)

Her2 status

0.535

 Negative

1.000

 Positive

1.105 (0.806–1.515)

Chemotherapy

0.256

0.247

 No

1.000

1.000

 Yes

1.374 (0.794–2.380)

1.371 (0.804–2.337)