Table 1

Overview of study characteristics

Countries where the studies were conductedStudies, n (%)
Australia3 (9)
Austria1 (3)
Canada4 (11)
Italy1 (3)
Netherlands1 (3)
Spain1 (3)
Switzerland1 (3)
USA23 (66)
Total35 (100)
Type of diagnostic test Assessments, n (%)
Imaging96 (81)
 Cardiac test14 (12)
 Combination14 (12)
 Endoscopy11 (9)
 Scan34 (29)
 Ultrasound6 (5)
 X-ray17 (14)
Other diagnostic tests22 (19)
 Laboratory tests19 (16)
 Electroencephalography3 (3)
 Total118 (100)
Type of assessment lens used Assessments, n (%)
Patient indication67 (57)
Patient population24 (20)
Service27 (23)
Total118 (100)