Table 1: Study cohort characteristics.

CharacteristicsKolmogorov-Smirnov

Number of patients, n 244
Age (years)
Mean ± std, IQR66.2 ± 6.49, 10
PSA (ng/mL)
Mean ± std, IQR8.85 ± 3.66, 4.79
PSA density (ng/mL2)
Mean ± std, IQR0.34 ± 0.38, 0.19
Preoperative Gleason score, n (%)
≤687 (35.7)
7118 (48.4)
≥839 (16.0)
Pathological Gleason score, n (%)
≤686 (35.2)
7112 (45.9)
≥846 (18.9)
Clinical stage, n (%)
T1c181 (74.2)
T2a45 (18.4)
T2b16 (6.6)
T2c2 (0.8)
Pathological stage, n (%)
T2a25 (10.2)
T2b8 (3.3)
T2c142 (58.2)
T3a47 (19.3)
T3b22 (9.0)
Extracapsular disease, n (%)
No175 (71.7)
Yes69 (28.3)
Surgical margins, n (%)
Negative167 (68.4)
Positive77 (31.6)
Seminal vesicles invasion, n (%)
No222 (91.0)
Yes22 (9.0)
Lymph nodes invasion, n (%)
Not performed91 (37.3)
No122 (50.0)
Yes31 (12.7)
Biochemical failure, n (%)
No173 (70.9)
Yes71 (29.1)

Std: standard deviation; IQR: interquartile range.