Table 4 Correlation between clinicopathological characteristics of pN1 patients and the NMLNs > 5

Age (years old)

0.010*

 ≥ 55

1 (reference)

1 (reference)

 < 55

1.856 (1.142–3.016)

1.917 (1.167–3.150)

Gender

NA

NA

 Female

1 (reference)

 Male

1.398 (0.982–1.990)

Primary tumor size (mm)

 < 0.001*

 ≤ 10

1 (reference)

1 (reference)

 > 10

2.568 (1.832–3.600)

2.131 (1.497–3.035)

Bilaterality

0.005*

 No

1 (reference)

1 (reference)

 Yes

2.298 (1.653–3.194)

1.889 (1.208–2.954)

Multifocality

0.612

 No

1 (reference)

1 (reference)

 Yes

1.833 (1.327–2.531)

1.121 (0.722–1.741)

ETE

 < 0.001*

 No

1 (reference)

1 (reference)

 Yes

3.817 (2.225–6.547)

2.759 (1.577–4.828)