From: Quality of radiotherapy reporting in randomized controlled trials of prostate cancer
Characteristics | N | % |
---|---|---|
RT Technique | ||
2D | 1 | 2 |
3D Conventional | 33 | 56 |
IMRT only | 5 | 8 |
Multiple techniques | 11 | 19 |
Not specified | 9 | 15 |
Sample size | ||
≤ 200 | 16 | 27 |
> 200 | 43 | 73 |
Sponsorship | ||
Industry | 12 | 20 |
Not industry | 33 | 56 |
Not reported | 14 | 24 |
Listed in clinicaltrials.gov | ||
Yes | 15 | 25 |
No | 44 | 75 |
Types of RT trial | ||
RT focused | 40 | 68 |
Not RT focused | 19 | 32 |
Primary efficacy endpoint | ||
Overall survival | 8 | 14 |
Non-overall survival | 42 | 86 |
Region | ||
North America | 21 | 36 |
Europe | 31 | 52 |
Asia | 3 | 5 |
Australia/New Zealand | 3 | 5 |
International | 1 | 2 |
Radiotherapy Journal | ||
Yes | 17 | 29 |
No | 42 | 71 |
Year of publication | ||
1996–2005 | 36 | 61 |
2006–2016 | 23 | 39 |
Impact factor | ||
≤ 15 | 18 | 31 |
> 15 | 41 | 69 |
Cooperative group | ||
Yes | 23 | 39 |
No | 36 | 61 |
Trial protocol available | ||
Yes | 14 | 24 |
No | 45 | 76 |
QA process published | ||
Yes | 16 | 27 |
No | 43 | 83 |
Bias in reporting primary efficacy endpoint | ||
Yes | 4 | 7 |
No | 44 | 75 |
Not accessible | 11 | 18 |
Bias in reporting toxicity | ||
Yes | 13 | 22 |
No | 46 | 78 |