Table 3.

Similarities and differences across countries.

Similarities across countries	Differences
Imposition of lockdown measures across the countries, especially in the early days of the lockdown	Some countries suspended community mental health care in the early phase of the pandemic (i.e. Nigeria)
Resultant limited access to mental health care services, except emergencies	Few countries have the additional burden of shortage of mental health professional (i.e., India and Nigeria)
Increase in new cases and exacerbations of pre-existing psychiatric conditions
Senior citizens were recognized as a high-risk group for delirium	Delirium was not reported as a common finding across most countries in this study (i.e. Germany, India, Kosovo, Lebanon, Nigeria, Thailand, and Tunisia)
Across countries, there were varying degrees of lack of preparedness in the mental health sector for infectious diseases.	Few countries (Iran, USA, Turkey and Thailand) have developed some guidelines and protocols for the management of psychiatric conditions in periods of infectious disease outbreaks
Adjustments were made to the existing management of delirium and other psychiatric conditions (i.e., pharmacologic and non-pharmacologic measures)	Variance in the existing management for patients with delirium with COVID-19 infection
New challenges for consultation/liaison teams were identified in the care of patients with comorbidities
All countries implemented forms of teleconsultation services
Multidisciplinary approaches were identified