This national cohort study has demonstrated increased resource use for critical care survivors in the year following discharge but fails to replicate past findings of increased longer-term mortality. Multimorbidity, lifestyle factors and socio-economic status appear influence long term outcomes and should be the focus of future research.

Using data from a prospectively collected cohort, we employed propensity score matching to assess differences in outcomes between patients with a critical care encounter and patients admitted to the hospital without critical care.

This analysis included 3,112 participants. There was no difference in long-term mortality between the critical care and hospital cohorts.

Pre-hospitalisation emotional health issues such as a clinical diagnosis of depression, were associated with increased long-term mortality.

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