Table 2 PICOS approach in our systematic review according to the PRISMA guideline[26]
P | patients | patients at the end of life |
I | intervention | pharmacological treatment with levomepromazine |
C | comparison | none |
O | outcome | symptom control with levomepromazine |
S | study design | randomized controlled trials, prospective trials, cohort studies, case series, case reports, systematic reviews |