Difficulties with researching the rapid response system |
Dismisses real-life relevance and common sense |
Dependence of randomised trial methodology on numerical strength, which requires patient randomisation |
Hawthorne effect improves outcomes in control patients |
Unethical to randomly assign patients to 'placebo' |
Cluster randomisation of hospitals requires large numbers of centres |
Before-and-after studies lack rigour and generalisability |