Table 4.

Consensus-based criteria ‘basic’ versus ‘expert’ radiologists. N/A not applicable

Basic	Criterion	Expert
100	Minimum number of supervised cases before independent reporting	N/A
400	Minimum number of cases read	1000
150	Minimum number of cases/year	200*
1	Examination interval (year(s))	4
80	Agreement in double reads with expert centre (%)	≥ 90

*No panel majority (most frequent answer 200 cases/year [41%; 18 of 44 panellists]; second most frequent answer was ≥ 500 cases/year [32%; 14 of 44 panellists])