Sentence examples for the lack of randomisation from inspiring English sources
"Drawing any firm conclusions is difficult because of the relatively low response rate at 12 months and in particular the lack of randomisation, which means that the results may have been produced by differences between patient groups that have not been taken into account," the reviewers had found.
The lack of randomisation in irrigation experiments is usually a disadvantage.
Other reasons include the lack of randomisation (2739 studies), and although they measured outcomes of CVD, the lack of randomisation makes them low quality.
The main limitation of the study is the lack of randomisation.
Limitations: the lack of randomisation, introducing potential for bias and the small cohort size.
Owing to the lack of randomisation, observational studies are inherently more prone to potential biases.
Based on the observational nature of the study and the lack of patient randomisation, residual confounding cannot be excluded.
43 The lack of strict randomisation of the order of arm measurement could have introduced bias, as blood pressure measurements will often decrease during repetition.
A first study limitation was the lack of a randomisation procedure, which was not an option since the researchers had no control over the allocation of GPs to a particular condition.
6 Several empirical studies have documented how the lack of adequate randomisation, concealment of allocation, double blinding, and differential losses to follow-up or dropouts per treatment group may affect the observed treatment effects.
The lack of prospectivity and randomisation condemn this study to low statistical power in demonstrating a benefit of one therapy relative to another.
