Table 2.

Relation between Cox-2 and VEGF in Esophageal Squamous Cell Carcinoma

		Cox-2				Total		p
		-		+
VEGF	-	2	7.1 %	13	46.4%	15	53.5%	0.451a
	+	3	10.7%	10	35.7%	13	46.4%
	Total	5	17.8%	23	82.1%	28	100.0%

^a, p-value