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Table 3 Comparison of recurrent or metastatic sites between pLNs ≥ 3 and pLNs < 3

From: Prognostic impact of the number of metastatic lymph nodes after surgery in locally advanced hypopharyngeal cancer

Site

All

(n = 99)

pLNs ≥ 3

(n = 54)

pLNs < 3

(n = 45)

p value*

None

57 (57.9%)

21 (38.9%)

36 (80.0%)

0.01 >

Local

1 (1.0%)

1 (1.9%)

0 (0.0%)

1.00

Regional LNs

15 (15.4%)

12 (22.2%)

3 (6.7%)

0.047

Distant

26 (26.3%)

20 (37.0)

6 (13.3%)

0.011

Lung

23 (23.2%)

18 (33.3%)

5 (11.1%)

0.01 >

Bone

6 (6.1%)

5 (9.3%)

1 (2.2%)

0.213

Pleura

1 (1.9%)

1 (1.9%)

0 (0.0%)

1.00

Liver

1 (1.9%)

1 (1.9%)

0 (0.0%)

1.00

LNs

1 (1.9%)

1 (1.9%)

0 (0.0%)

1.00

  1. *All p-values were obtained using Fisher’s exact test for pLNs ≥ 3 and pLNs < 3.
  2. pLNs: pathological metastatic lymph nodes, LNs: lymph nodes
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BMC Cancer

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