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Table 7 Lymph node metastasis and survival

From: The alterations of cytokeratin and vimentin protein expressions in primary esophageal spindle cell carcinoma

Survival (year) Lymph node metastasis χ 2 P
Yes (n = 23) No (n = 59)
1 16 (69.5) 49 (83.1) 6.697 0.129
3 6 (26.1) 30 (50.8)
5 2 (8.7) 17 (28.8)
7 0 (0.0) 12 (20.3)
Over 7 0 (0.0) 10 (16.9)