Table 5.

Calreticulin expression characteristics in nasopharyngeal carcinoma

Characteristic	Cases	Calreticulin positive	R value	P value
Sex
Men	37	31 (83.78)	0.087	0.450
Female	15	12 (80.00)
Age (years)
≥60	14	11(78.57)	0.075	0.574
<60	38	32(84.21)
Clinical stage
I	20	12(60.00)	0.457	*0.013
II-III	32	31(96.87)
Lymph node metastasis
Yes	33	32(96.96)	0.382	*0.018
No	19	11(57.89)

Calreticulin expression was positively associated with clinical stage and infiltrated cervical lymph node, *P <0.05.