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Table 3 Relationships among tumor depth, histological type, and lymph node metastases

From: Clinicopathological characteristics and treatment strategies in early gastric cancer: a retrospective cohort study

Tumor depth Histologic type pN(+) Hazard ratio 95% confidence interval p-value
m-sm1 (n = 204) Differentiated 1/72 (1.4%) 1.000   
  Mixed differentiated 1/31 (3.2%) 2.367 0.092-61.123 0.5527
  Mixed undifferentiated 3/22 (13.6%) 11.211 1.351-233.786 0.0251*
  Undifferentiated 3/79 (3.8%) 2.803 0.350-57.357 0.3449
sm2 (n = 123) Differentiated 11/41 (26.8%) 1.000   
  Mixed differentiated 8/25 (32.0%) 1.283 0.423-3.808 0.6539
  Mixed undifferentiated 8/14 (57.1%) 3.636 1.042-13.478 0.0430*
  Undifferentiated 10/43 (23.3%) 0.826 0.303-2.230 0.7054
  1. * p < 0.05