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Table 2 Associations between EGFR mutation status and the clinicopathologic features of patients with NSCLC

From: Clinicopathologic characteristics and therapeutic responses of Chinese patients with non-small cell lung cancer who harbor an anaplastic lymphoma kinase rearrangement

Characteristic

EGFR mutation [cases (%)]

P

Negative

Positive

Total

328 (67.4)

159 (32.6)

 

Age

 ≤58 years

187 (57.0)

74 (46.5)

0.030

 >58 years

141 (43.0)

85 (53.5)

 

Sex

 Male

231 (70.4)

72 (45.3)

<0.001

 Female

97 (29.6)

87 (54.7)

 

Histological type

 Adenocarcinoma

226 (68.9)

156 (98.1)

<0.001

 Others

102 (31.1)

3 (1.9)

 

Differentiation

 Well

118 (36.0)

88 (55.3)

<0.001

 Poor

210 (64.0)

71 (44.7)

 

Clinical stage

 I + II

153 (46.6)

73 (45.9)

0.879

 III + IV

175 (53.4)

86 (54.1)

 

Smoking history

 Non-smoker

130 (39.6)

109 (68.6)

<0.001

 Smoker

198 (60.4)

50 (31.4)

 
  1. All values are presented as number of patients followed by percentages in the parentheses. Other footnotes as in Table 1.