Research Article

MultiParametric Magnetic Resonance Imaging-Based Nomogram for Predicting Prostate Cancer and Clinically Significant Prostate Cancer in Men Undergoing Repeat Prostate Biopsy

Table 1

Baseline Clinical and Demographic characteristics of the study cohort.

VariableTotalPCacsPCa
NOYESp valueNOYESp value

Patients, No. (%)231 (100)156 (67.5)75 (32.5)172 (74.5)59 (25.5)
Interval, Median (IQR),
m
20.1
(7.9-37.0)
Age, Mean ± SD, years69.03 ± 7.0567.19 ± 6.6072.87 ± 6.41< 0.00167.53 ± 6.6873.42 ± 6.25<0.001
BMI, Mean ± SD, kg/ml23.93 ± 2.7923.90 ± 2.6924.00 ± 3.000.79623.85 ± 2.7124.16 ± 3.010.476
PSA, Median (IQR),
ng/ml
15.03
(10.03-23.15)
13.44
(9.44-17.93)
22.32
(13.77-36.89)
< 0.00113.44
(9.48-18.59)
24.43
(15.89-42.84)
<0.001
f/t, Mean ± SD, %0.14 ± 0.060.14 ± 0.060.12 ± 0.070.0160.14 ± 0.060.12 ± 0.070.007
PV, Mean ± SD, ml71.69 ± 42.4180.92 ± 46.0452.48 ± 24.40< 0.00179.35 ± 45.2549.36 ± 20.34<0.001
PSAD, Median (IQR),
ng/ml/ml
0.25
(0.15-0.45)
0.19
(0.12-0.29)
0.51
(0.25-0.76)
< 0.0010.20
(0.12-0.30)
0.58
(0.33-0.79)
<0.001
PSAV, Median (IQR),
ng/ml/yr
1.55
(0.12-5.43)
1.06
(-0.64-3.74)
4.04
(1.38-8.60)
< 0.0011.11
(-0.24-4.04)
5.29
(1.52-9.09)
< 0.001
DRE, No. (%)< 0.001< 0.001
 Normal198 (85.7)143 (91.7)55 (73.3)157 (91.3)41 (69.5)
 Abnormal33 (14.3)13 (8.3)20 (26.7)15 (8.7)18 (30.5)
TRUS, No. (%)0.0170.005
 Negative179 (77.5)128 (82.1)51 (68.0)141 (82.0)38 (64.4)
 Positive52 (22.5)28 (17.9)24 (32.0)31 (18.0)21 (35.6)
mpMRI, No. (%)< 0.001< 0.001
 Negative148 (64.1)125 (80.1)23 (30.7)136 (79.1)12 (20.3)
 Suspicious31 (13.4)16 (10.3)15 (20.0)18 (10.5)13 (22.0)
 Positive52 (22.5)15 (9.6)37 (49.3)18 (10.5)34 (57.6)

PCa, prostate cancer; csPCa, clinically significant prostate cancer; IQR, interquartile range; SD, standard deviation; BMI, body mass index; PSA, prostate-specific antigen; f/t, free/total PSA ratio; PV, prostate volume; PSAD, PSA density; PSAV, PSA velocity; DRE, digital rectal examination; TRUS, transrectal ultrasound; mpMRI, multi-parametric magnetic resonance imaging.