Skip to main content

Table 1 Numbers of trials by number of participants and trial design (RCT or non-RCT)

From: Limited accessibility to designs and results of Japanese large-scale clinical trials for cardiovascular diseases

Number of participants

Number of trials

Proportion of RCT (RCT/Total)

 

RCT*

Non-RCT*

Total

 

≥10,000

4

10

14

(9.2%)

0.286

1,000-10,000

46

19

65

(42.8%)

0.708

<1,000

53

12

65

(42.8%)

0.815

Unknown†

7

1

8

(5.3%)

-

Total

110

42

152

(100%)

0.724

  1. * RCT: randomized controlled trial, Non-RCT: non-randomized controlled trial
  2. † Eight multi-national trials where the number of Japanese participants was not known were categorized as 'unknown'.