Single-centre retrospective audit of compliance with published ESC surveillance guidance; identifies practice gaps rather than testing an intervention, with no comparator group or efficacy endpoint.
Small ongoing trial (n=20 analysed at interim) with perfect concordance between automated and manual risk stratification, but insufficient data and no clinical outcome validation to support practice change.
Single-centre observational study describing hypertension prevalence and treatment adequacy in cancer patients; provides descriptive data but lacks comparator group and causal inference.