Update section 4.6.2 - ROB tables do not use yes and no anymore
The new Cochrane Risk of bias form is no longer ask questions for “yes, unclear, no”, but as “low, unclear and high”, because it is confusing to consider an answer of “yes” to “incomplete outcome data” or “selective reporting” as low risk of bias. The Cochrane handbook has updated for the RoB section (Chapter 8), but not in the chapter 4.6.2 for the introduction of Rob (http://handbook.cochrane.org/chapter_4/4_6_2_risk_of_bias.htm), so I read several systematic reviews recently, I see people still use “Yes, No, unclear” in their RoB table and quote this chapter.
I think it would be good to let the authors know so they can update this section too.
Thank you for pointing this out. This is clarified in the standard R46. The online Handbook (2011), latest edition, is incorrect in section 4.6.2. We are in the process of updating the handbook incorporating all standards and making these amendments. This chapter will change significantly to account for the reporting standards. Unfortunately this is taking longer than we would wish. I will also see what we can do to flag up this issue whilst we wait for the update. I will draw this to Toby Lasserson's attention, Senior Editor CEU.
Miranda Cumpston commented
Thank you for letting us know about this error. I can advise that this section of Chapter 4 will not appear in the next version of the Cochrane Handbook.
Miranda Cumpston, on behalf of the Cochrane Handbook Editors