Table 2. Basic characteristic of included studies.
| Author | Study design | Consecutive enrollment | Reference Standard | Blinding | Field strength (T) | b value (s/mm2) | Type of Analysis | Localization | Endorectal coil | ADC map |
|---|---|---|---|---|---|---|---|---|---|---|
| Afifi et al. (18) | Prospective | Y | TRUSGB and RP | NR | 1.5 | 0, 800, 1,000 | Lesion | PZ, TZ, whole | N | Y |
| Agha et al. (19) | Prospective | Y | TRUSGB | NR | 3 | 0, 1,000 | Lesion | Whole | Y | Y |
| Rais-Bahrami et al. (32) | Retrospective | NR | MRI-TRUSGB | NR | NR | NR | Patient | Whole | NR | NR |
| Barth et al. (20) | Prospective | N | TTSB | Y | 3 | 0,50, 1,000 or 100, 600, 1,000 | Lesion | Whole | Y | NR |
| Baur et al. (33) | Retrospective | Y | Targeted MRGB | Y | 1.5 | 0, 100, 400, 800 | Lesion | PZ, TZ, whole | Y | Y |
| Boesen et al. (8) | Prospective | NR | TRUSGB | Y | 3 | 0, 100, 800, and 2,000 | Patient | Whole | Y | NR |
| Brock et al. (21) | Prospective | Y | RP | Y | 1.5 | NR | Lesion | Whole | Y | NR |
| Delongchamps et al. (22) | Prospective | Y | RP | Y | 1.5 | 0, 800 | Lesion | PZ, TZ, whole | Y | Y |
| Delongchamps et al. (23) | Prospective | Y | RP | Y | 1.5 | 0, 800 | Lesion | PZ, TZ, whole | Y | Y |
| Doo et al. (34) | Retrospective | NR | RP | Y | 3 | 0, 1,000 | Lesion | Whole | N | Y |
| Fascelli et al. (35) | Retrospective | Y | MRI-TRUSGB | NR | NR | NR | Patient | Whole | NR | Y |
| Franiel et al. (24) | Prospective | Y | TRUSGB and MRGB | NR | 1.5 | 0, 100, 400, 800 | Lesion | Whole | Y | Y |
| Haider et al. (25) | Prospective | NR | RP | Y | 1.5 | 600 | Lesion | PZ, TZ, Whole | Y | Y |
| Isebaert et al. (26) | Prospective | NR | TRUSGB and RP | Y | 1.5 | NR | Lesion | Whole | N | Y |
| Iwazawa et al. (36) | Retrospective | Y | TRUSGB | Y | 1.5 | 0, 1,000 | Lesion | PZ, TZ, whole | Y | Y |
| Jambor et al. (27) | Prospective | Y | TRUSGB and MRGB | NR | 3 | 0, 100, 200, 350 | Lesion | Whole | Y | Y |
| Jung et al. (37) | Retrospective | Y | RP | Y | 1.5 | 0, 1,000 | Patient | TZ | Y | Y |
| Junker et al. (38) | Retrospective | Y | TTSB and RP | NR | 3 | 50, 400, 1,000 s/mm2 before 2014 and 50, 500, 1,400 s/mm2 after 2014 | Patient | Whole | Y | NR |
| Katahira et al. (39) | Retrospective | Y | RP | Y | 1.5 | 500 | Lesion | PZ, TZ, Whole | N | Y |
| Kitajima et al. (40) | Retrospective | Y | TRUSGB | Y | 3 | 0, 1,000 | Lesion | PZ, TZ, Whole | N | Y |
| Kitamura et al. (28) | Prospective | Y | TRUSGB and RP | Y | 1.5 | NR | Lesion | Whole | Y | Y |
| Kuhl et al. (7) | Retrospective | Y | TRUSGB and RP and TTSB and Targeted MRGB | Y | 3 | 0, 800, 1,000, 1,400 | Patient | Whole | N | NR |
| Lawrence et al. (41) | Retrospective | Y | MRI-TRUSGB | Y | 1.5 or 3 | 0, 1,000, 1,400 | Lesion | PZ, TZ | Y | Y |
| Lee et al. (29) | Prospective | Y | TRUSGB | NR | 3 | 0, 1,000 | Lesion | Whole | Y | Y |
| Lim et al. (42) | Retrospective | NR | RP | Y | 1.5 | 0, 1,000 | Lesion | Whole | Y | Y |
| Morgan et al. (30) | Prospective | Y | TRUSGB | Y | 1.5 | 50, 400, 800, 1,500 | Lesion | Whole | N | Y |
| Mussi et al. (43) | Retrospective | NR | MRI-TRUSGB | Y | 3 | 50, 400, 800, 1,500 | Lesion | Whole | N | Y |
| Naiki et al. (44) | Retrospective | NR | TRUSGB and RP | Y | NR | 0, 800 | Lesion | PZ, TZ, whole | Y | Y |
| Rinaldi et al. (31) | Prospective | NR | TRUSGB | NR | 1.5 | 0, 250, 500, 750, 1,000 | Lesion | PZ, CZ, whole | Y | Y |
| Rosenkrantz et al. (45) | Retrospective | Y | RP | Y | 1.5 | 0, 500, 1,000 | Lesion | PZ | N | Y |
| Scialpi et al. (46) | Retrospective | NR | TRUSGB and RP | Y | 3 | 0, 2,000 | Lesion | PZ, TZ, whole | N | Y |
| Schimmöller et al. (47) | Retrospective | Y | MRI-TRUSGB | NR | 3 | 0, 250, 500, 750, 1,000 | Lesion | PZ, TZ, whole | Y | Y |
| Shimofusa et al. (48) | Retrospective | Y | RP | Y | 1.5 | 0, 1,000 | Patient | Whole | N | NR |
| Stanzione et al. (49) | Retrospective | NR | TRUSGB | Y | 3 | 0, 400, 2,000 | Patient | Whole | N | Y |
| Tamada et al. (50) | Retrospective | NR | TRUSGB | Y | 1.5 | NR | Patient | Whole | Y | Y |
| Tanimoto et al. (51) | Retrospective | Y | RP | NR | 1.5 | 0, 1,000 | Patient | Whole | N | Y |
| Thestrup et al. (52) | Retrospective | NR | TRUSGB and MRGB | Y | 3 | 0, 100, 800, 2,000 | Patient | Whole | N | Y |
| Ueno et al. (53) | Retrospective | Y | RP | Y | 3 | 0, 1,000, 2,000 | Lesion | PZ, TZ, whole | N | Y |
| Ueno et al. (54) | Retrospective | Y | RP | Y | 3 | 0, 1,000, 2,000 | Lesion | PZ, TZ, whole | N | Y |
| Vargas et al. (11) | Retrospective | Y | RP | Y | 3 | 0, 700, 1,000 | Lesion | Whole | Y | Y |
| Vilanova et al. (55) | Retrospective | NR | TRUSGB and RP | Y | 1.5 | 0, 1,000 | Lesion | PZ | N | Y |
| Visschere et al. (56) | Retrospective | NR | TRUSGB and RP | NR | 3 | NR | Patient | Whole | N | Y |
| Yaðci et al. (57) | Retrospective | Y | TRUSGB | Y | 1.5 | 800 | Lesion | TZ | Y | Y |
| Yoshimitsu et al. (58) | Retrospective | NR | TRUSGB | Y | 1.5 | 0, 500, 1,000 | Lesion | PZ, TZ, whole | N | Y |
| Yoshizako et al. (59) | Retrospective | NR | RP | NR | 1.5 | 0, 1,000 | Lesion | TZ | N | Y |
PZ, peripheral zone; RP, radical prostatectomy; TRUSGB, transrectal ultrasound-guided standard biopsy; NR, not given; Y, yes; N, no; TZ, transitional zone.