Table 2.

Adherence to the technical parameters of PI-RADS v2 in Turkey

Questions		PI-RADS v2 recommendation	Mean	Min–max	Adherence, n (%)
Pelvic coil, how many channels?		≥16 channel	16.8	2–64	52 (85.2)
Coronal T2		Should be obtained			55 (90.2)
Sagittal T2		Should be obtained			58 (95.1)
Precontrast axial T1		Should be obtained			59 (96.7)
Postcontrast T1		Should be obtained			53 (86.9)
One sequence covering aortic bifurcation		Should be obtained			42 (68.9)
Axial T2:	Slice thickness (mm)	≤3	3.25	2.5–4.5	42 (68.9)
	Gap	0	0.42	0–2.5	20 (32.8)
	Field of view (mm)	120–200	205	140–320	46 (75.4)
	Frequency voxel size (mm)	≤0.4	0.67	0.31–1.05	6 (9.8)
	Phase voxel size (mm)	≤0.7	0.81	0,31–1.34	25 (41)
	NEX		2.5	1–5
	Acquisition time (s)		233	76–490
Diffusion:	Slice thickness (mm)	≤4	3.67	3–6	52 (85.2)
	Gap	0	0.38	0–1.5	31 (50.8)
	Field of view (mm)	160–220	255	140 – 461	23 (37.7)
	Frequency voxel size (mm)	≤2.5	2.02	0.7–3.24	48 (78.7)
	Phase voxel size (mm)	≤2.5	2.32	0.89–3.96	38 (62.3)
	TR (ms)	≥3000	4876	400–8300	54 (88.5)
	TE (ms)	≤90	80	55–116	47 (77)
	Maximum b value (s/mm2)	≥1400	1302	600–2400	35 (57.4)
	NEX of maximum b value		6.9	1–20
	Acquisition time (s)		274	54–639
Dynamic*:	Temporal resolution (s)	≤10, preferred <7	14.5	3.4–61	33 (55.9), 10 (16.9)
	Slice thickness (mm)	≤3	3.34	0.9–4.8	23 (39)
	Gap	0	0.4	0–3	30 (50.8)
	Frequency voxel size (mm)	≤2	1.38	0.58–3.54	55 (93.2)
	Phase voxel size (mm)	≤2	1.64	0.66–3.85	53 (89.9)
	TR (ms)	≤100	30	2.7–500	56 (94.9)
	TE (ms)	≤5	3.18	0.8–50	56 (94.9)
	Acquisition time (s)	≥120	247	63–551	53 (89.9)

PI-RADS v2, Prostate Imaging-Reporting and Data System; min, minimum; max, maximum; NEX, number of excitations; TR, repetition time; TE, echo time.

^*Results of 59 clinics.