Table 3.

Risk factors for instrumental activities of daily living dependencies

Risk Factors	Total Studies (n)	Studies with No Association [n (%)]	Positive Association (Greater IADL Dependencies) [n (%)]
Pre-ICU factors
Older age	5	2 (40%)	3 (60%)
Sex (male)	1	0 (0%)	1 (100%)
Baseline IADL dependency	4	0 (0%)	4 (100%)
Baseline depression	1	0 (0%)	1 (100%)
ICU factors
ICU delirium	4	2 (50%)	2 (50%)
ICU length of stay	1	0 (0%)	1 (100%)
Illness severity	1	0 (0%)	1 (100%)
Duration of mechanical ventilation	2	0 (0%)	2 (100%)
Trauma admission	1	0 (0%)	1 (100%)
Unplanned surgical or medical ICU admission	1	0 (0%)	1 (100%)
Post-ICU factors
Post-ICU cognitive impairment	1	0 (0%)	1 (100%)

Definition of abbreviations: IADL = instrumental activities of daily living; ICU = intensive care unit.