ID	Search	Hits
#1	MeSH descriptor: [Ankle Fractures] explode all trees	145
#2	MeSH descriptor: [Fractures, Bone] explode all trees	5982
#3	MeSH descriptor: [Ankle] explode all trees	488
#4	MeSH descriptor: [Ankle Joint] explode all trees	687
#5	(ankle* OR malleol* OR talus OR talar OR regio tarsal* OR tarsus):ti,ab,kw AND (fracture* OR rupture*):ti,ab,kw	1264
#6	MeSH descriptor: [Aged, 80 and over] this term only	51,911
#7	MeSH descriptor: [Frail Elderly] this term only	710
#8	(“aged 80” OR “80 year*” OR 80 year* OR Centenarian* OR “eighty year*” OR Elderly OR Fragility OR frail* OR Geriatric* OR Octogenarian* OR Oldest-old* OR onagenarian* OR Senior* OR Supercentenarian* OR “very elderly” OR “very old”):ti,ab,kw	102,879
#9	(#3 OR #4) AND #2	47
#10	#1 OR #5 OR #9	1264
#11	{OR #6-#8}	102,879
#12	#10 AND #11	129
#13	#12, year filter 2010–2020	97