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Table 1 Statistical analysis on the correlations between BDNF expression by immunohistochemical staining in 110 lung cancer samples and the clinicopathological parameters

From: More expression of BDNF associates with lung squamous cell carcinoma and is critical to the proliferation and invasion of lung cancer cells

Clinicopathological Characteristics Cases (n = 110) Low expression (n = 49) High expression (n = 61) p-value
Histological type     
Squamous cell carcinoma 53 20 33 0.017
Adenocarcinoma 57 29 18
Grade     
well-moderate 76 31 45 0.236
poor 34 18 16
Stage     
I-II 72 36 36 0.113
III 38 13 25
Tumor size and extension     
T1-T2 75 39 36 0.021
T3 35 10 25
Lymph node metastasis     
No 68 30 38 0.532
Yes 42 19 23