“…The studies were categorised into four main themes based on their aim: (1) to determine factors influencing survival or mortality, which comprised five papers [ 12 , 13 , 14 , 15 , 19 ], (2) as an adjunct to treatment decision-making, which comprised six papers [ 16 , 17 , 20 , 21 , 22 , 23 ] (3) to measure quality of life and functional status, which comprised four papers [ 18 , 24 , 25 , 26 ], and (4) to determine which tools should be used in CGA, which comprised three papers [ 27 , 28 , 29 ]. Further discussion about the findings of studies and future directions are highlighted in Table A3 .…”