|
|
Estimated relative risk and number of unpublished smaller and
larger studies for various values of publication probability
|
|
| Publication probability |
Relative risk (95%
CI) |
P value |
No of unpublished
studies*
|
| Small |
Large |
|
| 0.6 |
1.11 (0.97 to
1.27) |
0.110 |
36 |
24 |
| 0.7 |
1.13 (1.00 to
1.27) |
0.052 |
23 |
15 |
| 0.8 |
1.15 (1.03 to
1.28) |
0.014 |
14 |
9 |
| 0.9 |
1.18 (1.07 to
1.31) |
0.002 |
7 |
4 |
| 1.0 |
1.24 (1.13 to
1.36) |
<0.001 |
0 |
0 |
|
*
Smaller studies s>0.4; larger studies s 0.4.
|
|