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Table 1 Patient characteristics and biopsy parameters

From: Application of ultrasound imaging biomarkers (HistoScanning™) improves staging reliability of prostate biopsies

 

Biopsy groups

Overall

P value

Image-guided

Systematic

No. of patients (%)

77 (46.7)

88 (53.3)

165

 

Median age at operation (IQR)

71 (8)

69 (9)

70 (9)

0.127

Median PSA (ng/ml), (IQR)

8 (5.1)

7.9 (6.1)

8 (6)

0.825

Median prostate volume (ml), (IQR)

42 (24)

40 (29)

40 (27)

0.528

Mean No. of cores/biopsy, (± SD)

13.7 (± 1.1)

12.1 (± 4.6)

12.8 (± 3.5)

< 0.001*

Mean Biopsy density (core/ml) (± SD)

0.342 (± 0.19)

0.320 (± 0.19)

0.334 (0.17)

0.066

  1. IQR interquartile range (Q3–Q1); CI confidence interval; SD standard deviation
  2. * Statistical significant difference, Mann–Whitney U Test, (P < 0.05)