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. 2022 Mar 9;2022(3):CD015125. doi: 10.1002/14651858.CD015125

Risk of bias for analysis 1.5 Symptom resolution: all initial symptoms resolved at up to day 30.

Study Bias
Randomisation process Deviations from intended interventions Missing outcome data Measurement of the outcome Selection of the reported results Overall
Authors' judgement Support for judgement Authors' judgement Support for judgement Authors' judgement Support for judgement Authors' judgement Support for judgement Authors' judgement Support for judgement Authors' judgement Support for judgement
Clemency 2021 Low risk of bias We judged this domain low as the randomisation process was adequate because it is done remotely and moreover consider concealment adequate. Slight baseline differences were most likely due to chance. Low risk of bias Deviations were balanced and most likely not due to the trial context in this double‐blinded trial. Low risk of bias Although there were around 5% of participants lost to follow‐up, it seems not probable that the outcome has been affected relevantly by those dropouts. Low risk of bias We judged low risk of bias, as the combination of structured contacts and eDiary provided a high probability that the outcome would be detected. High risk of bias We judged this domain high due to a subsequent addition of this outcome to the trial protocol month after having completed the trial. High risk of bias Overall, we judged high risk of bias due to subsequent addition of this outcome (probably during the analysis process).