Table 3. Clinicohistopathological correlation of biomarker expressions.

p53: Tumor protein p53; EGFR: estimated glomerular filtration rate; CK20: cytokeratin 20

Biomarker	Histological Subtype	p-value
p53
-Urothelial carcinoma	Positive: 105 (73.9)	<0.001
	Negative: 37 (26.1)
-Squamous cell carcinoma	Positive: 12 (50.0)	0.021
	Negative: 12 (50.0)
Ki-67
-Urothelial carcinoma	High: 96 (67.6)	<0.001
	Low: 46 (32.4)
-Squamous cell carcinoma	High: 20 (83.3)	0.005
	Low: 4 (16.7)
EGFR
-Urothelial carcinoma	Overexpression: 84 (59.2)	<0.001
	Normal expression: 58 (40.8)
-Squamous cell carcinoma	Overexpression: 10 (41.7)	0.042
	Normal expression: 14 (58.3)
CK20
-Urothelial carcinoma	Positive: 120 (84.5)	<0.001
	Negative: 22 (15.5)
-Squamous cell carcinoma	Positive: 10 (41.7)	0.018
	Negative: 14 (58.3)