p53 negativity, CDC25B positivity, and metallothionein negativity are predictors of a response of esophageal squamous cell carcinoma to chemoradiotherapy

Table 3 Relation between expressions of biological markers and response of esophageal squamous cell carcinoma to CRT (n)

Markers	Responder	Non-responder	P
	(CR+PR)	(NC+PD)
Bax (-)	17	8	0.799
Bax (+)	8	3	0.799
Bcl-2 (-)	18	8	0.836
Bcl-2 (+)	7	3	0.836
Cyclin D1 (-)	15	6	0.305
Cyclin D1 (+)	10	5	0.305
VEGF (-)	10	5	0.936
VEGF (+)	15	6	0.936
Ki67 (-)	4	1	0.586
Ki67 (+)	21	10	0.586

Spearman’s rank correlation test.