Skip to main content

Table 3 Test types evaluated in the 103 test-treatment RCTs

From: Research waste in diagnostic trials: a methods review evaluating the reporting of test-treatment interventions

Test type Control (%) Experimental (%)
Biochemical 10 (10) 25 (21)
Biopsy 1 (1) 2 (2)
Clinical 18 (17) 14 (12)
Electrophysiology 7 (7) 10 (8)
Imaging (all) 35 (33) 50 (42)
Endoscopy 14 (13) 11 (9)
Radiology 21 (20) 39 (33)
Telemedicine 2 (2) 2 (2)
Standard Care 10 (10) 0 (0)
Multiple test interventions 8 (8) 12 (10)
No test 14 (13) 4 (3)
Total a105   a119  
  1. adenominators refer to the number of study arms