| Level I | Good quality evidence |
Systematic review of RCTs with consistent findings High quality individual RCT |
| Level II |
Limited quality patient orientated evidence |
Systematic review of lower quality studies or studies with inconsistent findings Low quality clinical trial Cohort studies Case-control studies |
| Level III | Other |
Consensus guidelines, extrapolations from bench research, usual practice, opinion, disease-oriented evidence (intermediate or physiologic outcomes only), or case series |
[18] Haloperidol, oral: Taylor, David; Paton, Carol; Kapur, Shitij. The Maudsley Prescribing Guidelines, Twelfth Edition. London: CRC Press; 2015
Haloperidol, oral: NICE. Clinical guideline: Delirium: prevention, diagnosis and management, 28 July 2010. www.nice.org.uk/guidance/cg103
Haloperidol, oral: Taylor, David; Paton, Carol; Kapur, Shitij. The Maudsley Prescribing Guidelines, Twelfth Edition. London: CRC Press; 2015.
Haloperidol, oral: Burry L, Mehta S, Perreault MM, Luxenberg JS, Siddiqi N, Hutton B, Fergusson DA, Bell C, Rose L. Antipsychotics for treatment of delirium in hospitalised non-ICU patients. Cochrane Database Syst Rev. 2018 Jun 18;6:CD005594. https://www.ncbi.nlm.nih.gov/pubmed/29920656
Haloperidol, oral: Burry L, Hutton B, Williamson DR, Mehta S, Adhikari NK, Cheng W, Ely EW, Egerod I, Fergusson DA, Rose L. Pharmacological interventions for the treatment of delirium in critically ill adults. Cochrane Database Syst Rev. 2019 Sep 3;9:CD011749. https://www.ncbi.nlm.nih.gov/pubmed/31479532
Haloperidol, oral: Finucane AM, Jones L, Leurent B, Sampson EL, Stone P, Tookman A, Candy B. Drug therapy for delirium in terminally ill adults. Cochrane Database Syst Rev. 2020 Jan 21;1:CD004770. https://www.ncbi.nlm.nih.gov/pubmed/31960954