Insights into Imaging

Table 1 Patient and imaging characteristics

From: Quantitative ultrasound shear wave elastography (USWE)-measured tissue stiffness correlates with PIRADS scoring of MRI and Gleason score on whole-mount histopathology of prostate cancer: implications for ultrasound image-guided targeting approach

Patient characteristics
No. pts	196
Age (years)
Mean ± SD	66 ± 5
Median (IQR)	66.5 (63–72)
PSA level (ng/ml)
Mean ± SD	12 ± 7.8
Median (IQR)	9.8 (7.5–13.1)
Prostate weight
Mean ± SD	66 ± 29.7
Median (IQR)	59 (46.5–76)
PSA density (ng/ml²)
Mean ± SD	0 ± 0.2
Median (IQR)	0.2 (0.1–0.2)

Stiffness measurement using USWE in Kilopascals (mean ± SD)	No. (%)
≤ 100 (94 ± 10.3)	43 (21.9)
100–130 (115 ± 11.4)	47 (24)
> 130 (138.4 ± 29)	106 (54.1)

Gleason score	No. (%)
3 + 3	3 (1.5)
3 + 4	94 (48)
4 + 3	33 (16.8)
3 + 5	18 (9.2)
4 + 4	3 (1.5)
4 + 5 or greater	45 (23)

PI-RADS categories	No. (%)
PIRADS 3	16 (8.16)
PIRADS 4	45 (22.96)
PIRADS 5	135 (68.88)

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