Table 4. The peak intensity value of lesions with different locations in low- and high-grade tumour groups.

Gleason score	Location	n	Peak intensity	p-value
Low-grade	Medial PZ	23	5.55±1.99
	Lateral PZ	31	9.82±1.69
	TZ	12	14.54±0.94
	Total	66	9.19±3.60	<0.001
High-grade	Medial PZ	59	6.93±3.00
	Lateral PZ	65	10.91±2.64
	TZ	40	13.37±2.59
	Total	164	10.08±3.75	<0.001

PZ, peripheral zone; TZ, transition zone.

p-value obtained using analysis of variance.