CD73 Predicts Favorable Prognosis in Patients with Nonmuscle-Invasive Urothelial Bladder Cancer

Table 2

Comparison of the immunohistochemical markers with pathologic characteristics ().

Variable	Categorization	CD73 expression
		Score 0 or 1+	Score 2+
Tumor stage (WHO 1973)	pTa	57	33	0.006
	pT1	57	11
	pT2	12	1
	pT3	2	0
	pT4	0	1
Histologic grade (WHO 1973)	G1	31	13	0.100
	G2	60	27
	G3	37	6
Histologic grade (WHO 2004)	Low grade	67	34	0.014
	High grade	61	12
Adjacent carcinoma in situ	No	112	46	0.007
	Yes	16	0
Multiplicity	Solitary	87	37	0.130
	Multifocal	41	9
Growth pattern	Papillary	115	44	0.359
	Solid	13	2
Immunohistochemistry
Ki-67 labelling index	≤10%	72	36	0.008
	>10%	56	10

Chi-square Pearson (2-sided); bold face representing values <0.05.
Fisher’s exact test (2-sided); bold face representing values <0.05.