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Table 4 Influence of neck dissection levels for each tumor region

From: Factors influencing outcomes in selective neck dissection in 661 patients with head and neck squamous cell carcinoma

Parameter

Region

Hypopharynx

Larynx

Oral cavity

Oropharynx

Level I ispilateral

4.0 [0.9–17.2]

p = 0.06

3.7 [0.5–27.3]

p = 0.21

0.4 [0.2–0.9]

p = 0.02

1.9 [0.8–4.7]

p = 0.17

Level V ipsilateral

0.0 [0.0–∞]

p = 0.16

0.0 [0.0–∞]

p = 0.24

0.0 [0.0–∞]

p = 0.26

3.0 [0.7–13.1]

p = 0.14

Level III contralateral

1.7 [0.7–3.7]

p = 0.22

1.2 [0.5–2.8]

p = 0.68

1.7 [0.7–4.0]

p = 0.21

1.4 [0.7–2.9]

p = 0.38

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