Table 1.

Clinical characteristics of the study population

Characteristics	Prostate cancer, n = 50	Benign prostatic hyperplasia, n = 22
Age (years)
Mean ± SD	66 ± 7	61 ± 8
Median (range)	65 (54–85)	60 (44–75)
Missing	1	4
Serum PSA (ng/ml)
0–4.0	3 (6%)	9 (41%)
4.1–20.0	31 (62%)	13 (59%)
> 20.0	15 (30%)	0 (0%)
Missing	1 (2%)	0 (0%)
Gleason score
4–6	26 (52%)	–
8–9	24 (48%)	–
Metastasis status
M0	39 (78%)	–
M1	3 (6%)	–
Missing	8 (16%)	–
Cancer grade
G1	0 (0%)	–
G2	11 (22%)	–
G3	12 (24%)	–
Missing	27 (54%)	–
Prostatitis
–	40 (80%)	11 (50%)
+	8 (16%)	11 (50%)
Missing	2 (4%)	0 (0%)