Table 4. Analysis of PSA levels of prostate cancer patients and histopathological characteristics of the tumors.

Parameters	Categories	N	%
PSA level	0.0 - 4.0	10	3.7
(ng/mL)	4.1 - 10.0	147	54.0
	> 10.1	115	42.3
	Total*	272	100.0
Gleason Score	3-6	133	48.4
	7	117	42.5
	8-10	25	9.1
	Total*	275	100.0
Extracapsular extension	Presence	97	37.7
	Absence	160	62.3
	Total*	257	100.0
Seminal vesicle invasion	Presence	32	12.5
	Absence	225	87.5
	Total*	257	100.0
Perineural invasion	Presence	42	16.3
	Absence	215	83.7
	Total*	257	100.0
Bilaterality	Presence	137	53.1
	Absence	121	46.9
	Total*	258	100.0
Lymphatic invasion	Presence	6	2.5
	Absence	232	97.5
	Total*	238	100.0
TNM Staging	T2	154	60.4
	T3 and T4	101	39.6
	Total*	255	100.0

^*It was not possible to evaluate the parameters for all 277 patients.