Table 1

Statistical analysis of the relationship between the expression of sialyl Lea or sialyl Lex in pulmonary adenocarcinoma cells and clinicopathological variables

Sialyl Lea, positive (n = 9)Sialyl Lea, negative (n = 16)paSialyl Lex, positive (n = 19)Sialyl Lex, negative (n = 6)pa
Tumor size
 30 mm≧5 (20.0)b9 (36.0)>0.999910 (40.0)4 (16.0)0.6609
 30 mm<4 (16.0)7 (28.0)9 (36.0)2 (8.0)
Pleural invasion
 Negative3 (12.0)12 (48.0)0.087210 (40.0)5 (20.0)0.3449
 Positive6 (24.0)4 (16.0)9 (36.0)1 (4.0)
Pulmonary metastasis
 Negative5 (20.0)14 (56.0)0.142514 (56.0)5 (20.0)>0.9999
 Positive4 (16.0)2 (8.0)5 (20.0)1 (4.0)
Lymph node metastasis
 Negative3 (12.0)13 (52.0)0.0308c11 (44.0)5 (20.0)0.3644
 Positive6 (24.0)3 (12.0)8 (32.0)1 (4.0)
Vessel invasion
 Negative3 (12.0)11 (44.0)0.11539 (36.0)5 (20.0)0.1804
 Positive6 (24.0)5 (20.0)10 (40.0)1 (4.0)
Lymphatic invasion
 Negative2 (8.0)13 (52.0)0.009c10 (40.0)5 (20.0)0.3449
 Positive7 (28.0)3 (12.0)9 (36.0)1 (4.0)
  • a Analyzed by Fisher’s exact probability test.

  • b Numbers in parentheses, percentage.

  • c p < 0.05.