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Indirect comparisons based on non-randomised trials.
However, the NCCN guidelines expanded the NLST criteria based on non-randomised studies and observational data.
This method is based on non-randomised comparisons and only includes patients surviving to 4 months.
The suggested efficacy of anti-angiogenic drugs in patients with recurrent GBM is based on non-randomised trials with PFS as the main study endpoint.
Studies evaluating the impact of oral health conditions on OHRQoL are often based on non-randomised [ 5- 7] convenience samples [ 9, 16, 17].
Some of these studies, based on non-randomised designs, produced tentative evidence of the impact of continuous quality improvement on clinical practice, which interacts with physician involvement, individual practitioner's feedback and supportive organisational culture.
Prevost's prior constraint to downweight the non-randomised studies was considered as well as an additional approach that combined a prior distribution based on the non-randomised studies with data from the randomised studies [ 8].
This pilot study only involved four practices and was based on a non-randomised comparison, and the model did not use a PSA to characterise the uncertainty of the cost-effectiveness estimate.
Subject collection was based on stratified randomised cluster sampling.
None of the primary studies reviewed was based on a randomised design.
These findings were based on a randomised controlled trial of 11 journals published by the American Physiological Society.
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