What are the criteria for downgrading the quality of evidence in COACH basic (Jaarsma 2008)?
The quality of evidence in COACH basic (Jaarsma 2008) can be downgraded by 1 increment if the majority of the evidence is at high risk of bias, and downgraded by 2 increments if the majority of the evidence is at very high risk of bias. Additionally, it can be downgraded by 1 increment if the confidence interval crosses one MID or by 2 increments if the confidence interval crosses both MIDs.