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Table 1 Detailed baseline characteristics of patients included (n = 752)

From: Incorporation of trans-rectal color doppler flow imaging and risk-stratification nomogram reduce unnecessary prostate biopsies in suspected prostate cancer patients: a bi-centered retrospective validation study

Parameters

 

Statistic

Obs

Age

 

67 (61,73)

Median, IQR

PSA (ng/mL)

 

11.89 (7.385,24.3)

Median, IQR

Prostate Volume (mL)

 

80.92 (56,119)

Median, IQR

PSA density

 

0.15 (0.08,0.33)

Median, IQR

PI-RADS scores (highest)

   

≤ 2

 

123 (16.4%)

n (%)

3

 

308 (41.0%)

n (%)

≥ 4

 

321 (42.6%)

n (%)

mSBRS scores

   

< 4

 

357 (47.5%)

n (%)

≥ 4

 

395 (52.5%)

n (%)

Number of targeted biopsy targets on MRI

   

1

 

424 (56.4%)

n (%)

2

 

153 (20.3%)

n (%)

3

 

152 (20.2%)

n (%)

4

 

23 (3.1%)

n (%)

Risk stratification based on risk level determined through predictive nomogram (PCA risk ≥ 0.5 or not)

   

High (PCA risk ≥ 0.5)

 

354 (47.1%)

n (%)

Low (PCA risk<0.5)

 

398 (52.9%)

n (%)