The Prevalence of Delirium in Patients in Iran: a Systematic Review and Meta-analysis

Abstract

Aim: The first systematic review and meta analysis investigating the prevalence of delirium in Iran and the importance of delirium in the health status of patients. Method: This study is a review article to determine the overall prevalence of delirium in patients admitted to the hospitals in Iran, with search time frame to 12 October 2000–12 October 2018. The study examined the prevalence of delirium in general wards and ICUs of Iran according to published article in domestic and foreign journals. The methodological quality of the papers was based on a tool used in previous studies. Data was analyzed using comprehensive meta-analysis (CMA) software. Findings: The findings showed the prevalence of delirium in hospitalized patients in Iran is 21.8% (CI: 17.5–27.5%). The prevalence of delirium in hospitalized patients in Iran based on the hospitalization in ICU is 24.7% (CI: 18.1–32.7%) and in the general ward is 17.5% (CI: 13.6–22.3%). Conclusion: Due to the relatively high prevalence of delirium in patients admitted to hospitals in Iran, prevention is necessary to reduce the incidence of delirium.

Frequency of underlying diseases, symptoms and mortality rate of COVID-19: a systematic review and meta-analysis

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“…Although there are a number of extensive studies performed by systematic review and meta-analysis methodology, given the complexity and many unknown aspects of the disease, the demand for such studies may be continued. One advantage of these studies is the validity of their results and, therefore, their results could be generalized [10,11]. With regard to various studies and the validity of the obtained data, it seems necessary to conduct a meta-analysis in order to provide a valid and precise scale for researchers and scholars.…”

Cognitive Dysfunction and Survival in Hospitalized Patients with Delirium: A 12-Month Prospective Cohort Study

“…The one-year mortality rate of 35 -40% is observed for hospitalized seniors with delirium (7), which is similar to the mortality linked to sepsis or acute myocardial infarction (8). The delirium rate in Iran is 21.8%, while its rate in hospitalized cases in ICU and general ward is 24.7% and 17.5%, respectively (9).…”

Prevalence And Associated Factors Of Delirium Among Hospitalized Patients In Mekelle Public Hospitals, Mekele, Tigray, Ethiopia, a cross sectional study

“…(9,18,22) This nding was also lower than evidences from Ireland ( and the study population (hospitalized cancer patients in USA, on ICU patients in the international study in America and Spain and hospitalized older adults in Brazil). (5,16,17,19,20,23,33) Older age was signi cantly associated with delirium; being older than 60 years was 3.4 (AOR = 3.384; 95% CI 1.111-10.310) times more likely to develop delirium than aged less than 60 years. The nding was supported by evidences from South Ethiopia, Tikur Anbessa Specialized Hospital (Ethiopia), Ireland and India.…”