Table 4 Univariate and multivariate analyses predicting LNM using preoperative values

Gender

Male

1

0.118

Female

1.46 (0.91–2.34)

Age^a

0.98 (0.96–0.99)

0.025

0.98 (0.96–0.99)

0.017

BMI^a

1.00 (0.93–1.08)

0.977

Gross type

0-I, IIa

1

0.585

IIb

0.70 (0.35–1.39)

0.304

IIc, III

0.86 (0.50–1.45)

0.563

Histology

Pap, WD, MD

1

0.515

PD, Muc

1.36 (0.76–2.43)

0.300

Sig

1.00 (0.57–1.76)

0.991

Ulcer

Negative

1

0.037

1

0.037

Positive

2.21 (1.05–4.67)

2.25 (1.05–4.81)

Location

Upper third

1

0.893

Lower or middle third

1.05 (0.54–2.09)

Tumor size^a

1.04 (1.01–1.07)

0.010

1.04 (1.01–1.07)

0.009

NLR^a

1.08 (0.95–1.22)

0.228

Tumor detectability in CT scan

Undetectable

1

0.355

Detectable

1.30 (0.75–2.26)

Presence of LMN in CT scan

Unsuspected

1

0.001

1

0.002

Suspected

3.92 (1.80–8.55)

3.57 (1.62–7.88)