Table 3. Univariate analysis of prognostic factors for patients with cervical node recurrence that underwent salvage lymphadenectomy.

Factor	P value
Age (more than 58/58 or younger)	0.58
Gender (male/female)	0.23
Tumor location (Ut/Mt + Lt)	0.18
Depth of tumor invasion at esophagectomy (T3-4/T1-2)	0.21
Number of positive nodes at esophagectomy (3 or more/2 or less)	<0.001
Time to recurrence (>6/≤6 months)	0.007
Number of recurrence nodes (multiple/solitary)	0.001
Surgical treatment for recurrence (reduction/radical surgery)	0.004
Site of recurrence (supraclavicular/cervical paratracheal nodes)	0.49

Ut, upper thoracic; Mt, middle thoracic; Lt, lower thoracic.