| Parameter and tested strata |
p-value |
| Number of authors: 1-3, 4-6, 7-10, >10 |
<0.0001 |
| Topic: Breast, Prostate, Lung, others |
0.017 |
| Region: USA/Canada, Europe, multiple, others |
0.032 |
| Journal: JCO, IJROBP, all others combined |
0.049 |
| Type of article: Phase III, other clinical, others |
>0.2 |
|