Trials cited by guideline | IIT Public Germany gov No. of trials (%) | IIT Public Germany other No. of trials (%) | IIT Public Germany (total) No. of trials (%) | IIT Public International No. of trials (%) | IST Commercial Germany No. of trials (%) | IST Commercial International No. of trials (%) | Total No. of trials (%) |
---|---|---|---|---|---|---|---|
Total trials | 60 | 60 | 120 (100) | 200 (100) | 171 (100) | 200 (100) | 691 (100) |
Trials in guidelines | 27 (45) | 8 (13) | 35 (29) | 61 (31) | 50 (29) | 32 (16) | 178 (26) |
95% CI | 32–58 | 6–25 | 21–38 | 24–37 | 23–37 | 11–22 | 23–29 |
Direct | |||||||
Trials with method articles in guideline | 7 (12) | 0 | 7 (6) | 2 (1) | 0 | 1 (< 1) | 10 (1) |
Trials with result articles in guideline | 19 (32) | 4 (7) | 23 (19) | 36 (18) | 27 (16) | 18 (9) | 104 (15) |
Trials with register ID in guidelines | 3 (5) | 0 | 3 (3) | 2 (1) | 2 (1) | 0 | 7 (1) |
Trials with any direct citation | 25 (42) | 4 (7) | 29 (24) | 38 (19) | 29 (17) | 18 (9) | 114 (16) |
Indirect | |||||||
Trials in guidelines via review | 16 (27) | 8 (13) | 24 (20) | 43 (22) | 35 (20) | 20 (10) | 122 (18) |
Direct AND indirect | |||||||
Trials in guidelines via review AND result article | 12 (20) | 8 (13) | 20 (17) | 42 (21) | 35 (20) | 20 (10) | 117 (17) |