Table 1.

Levels of Care

Level 0	Care can be met though acute ward-based care.
Level 1	Patients at risk of deterioration or recently re-located from a higher level of care. Additional input, advice and support from critical care may be required.
Level 2	Patients requiring more detailed observation and intervention including single organ support or post-operative care or patients ‘stepping down’ from level 3 care.
Level 3	Patients requiring advanced respiratory support and/or basic respiratory support with support of at least two organ systems.

Source: Ref⁷