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Table 3 Multivariate analysis of PLNM

From: High-risk factors of parotid lymph node metastasis in nasopharyngeal carcinoma: a case-control study

Variables

β value

OR

95 % CI

p value*

Lower

Upper

Level II SLDa ≥ 5.0 cm

1.41

4.11

1.15

14.73

0.030*

Level II necrosis

0.85

2.34

0.51

10.87

0.277

Level Va/b

0.45

1.56

0.25

9.59

0.631

Rare neck areasb

1.35

3.95

1.03

15.09

0.045*

  1. aLevel II SLD, sum of the longest diameter for multiple lymph nodes in level II
  2. bRare neck areas including level Ia/b, level Vc, and level VI in this study
  3. *p < 0.05