Table 1.

DEK protein expression in SCLC

Diagnosis	No. of cases	DEK protein expression				Positive rate (%)	Strongly positive rate (%)
		-	+	++	+++
SCLC	130	40	32	27	31	69.23%**	44.62%**
Adjacent non tumor	130	103	21	4	2	20.77%	4.62%
Normal lung tissues	14	12	2	0	0	14.29%	0.00%

^** P < 0.01 compared with either adjacent non-tumor or normal lung tissues.