Table 1.

MYCN expression and its relationship with the clinicopathological characteristics of 42 SCLC patients

Clinic pathological features	n	Expression of MYCN
		+	-	P
Gender				0.395
Male	33	8	25
Female	9	1	8
Age				0.862
< 56	13	3	10
≥ 56	29	6	23
Clinical stage				0.003
Limited disease	27	2	25
Extensive disease	15	7	8
Chemotherapy response				0.002
Sensitive group	31	3	28
Refractory group	11	6	5

-, negative; +, positive for MYCN. The P-value was calculated by Pearson χ²-test.