Table 5. The peak intensity value of low- and high-grade tumours in medial PZ, lateral PZ and TZ groups.

Location	Gleason score	n	Peak intensity	p-value
Medial PZ	Low-grade	23	5.55±1.99
	High-grade	59	6.93±3.00
	Total	82	6.55±2.81	0.045
Lateral PZ	Low-grade	31	9.82±1.69
	High-grade	65	10.91±2.64
	Total	96	10.56±2.42	0.038
TZ	Low-grade	12	14.54±0.94
	High-grade	40	13.37±2.59
	Total	52	13.64±2.36	0.135

PZ, peripheral zone; TZ, transition zone.

p-value obtained using Student's t-test.