Correlation between Clinicopathology and Expression of Heat Shock Protein 72 and Glycoprotein 96 in Human Esophageal Squamous Cell Carcinoma

Table 3

Rates of positivity for CYFRA 21-1, SCC, and CEA in pretreatment serum samples from patients with esophageal squamous cell carcinoma.

Marker	Number	Mean ± SD	Cutoff	Sensitivity
		(ng/ml)	(ng/ml)	(%)
CYFRA 21-1	120	3.4±2.5	<2.0	55 (45.8)^a
SCC	120	1.3±1.5	<1.5	29 (24.2)
CEA	120	1.5±0.8	<2.5	14 (11.7)

^a𝑃<.05, versus CEA.