Risk factor | Hamann 2005 [27] | Large 2012 [28] | Tai 2015 [29] | Tognoni 2010 [30] | Gani 2012 [26] | Sato 2016 [32] | Xue 2016 [31] |
---|---|---|---|---|---|---|---|
Demographic factors | |||||||
Older age* |  =  |  +  |  +  |  +  |  =  |  +  |  +  |
Male sex ±  |  =  |  =  |  |  =  |  =  |  =  |  |
Married ±  |  |  =  |  =  |  |  |  |  =  |
Education length in years |  |  |  |  =  |  |  |  =  |
Mental status (mean MMSE/mean CDT) |  =  |  +  |  +  |  = / +  |  |  |  =  |
History of delirium ±  |  |  |  |  +  |  |  |  |
Depression (DSI > 40 or GDS) |  =  |  |  +  |  =  |  |  |  |
Comorbidity (based on mean age-adjusted CCI, CCI > 3 or ≥ 2 co-morbidities) |  =  |  =  |  |  =  |  |  |  +  |
Mean BMI |  |  =  |  =  |  |  |  =  |  =  |
ADL (mean score or functions lost) |  |  =  |  =  |  =  |  |  |  =  |
IADL (mean score or functions lost) |  |  |  +  |  +  |  |  |  |
Surgical | |||||||
Operation time (mean or median) |  +  |  =  |  |  |  |  =  |  |
Blood loss (mean or median) |  |  =  |  |  |  |  =  |  |
Intraoperative hypotension ±  |  |  |  |  +  | ? |  |  =  |
GA versus regional Anaesthesia |  =  |  |  |  =  |  |  =  |  =  |
Alcohol intake (active consumption or excess/abuse) |  =  |  =  |  =  |  =  |  |  |  =  |