Table 1.

Study characteristics

Authors (year)	Country	Study design	Setting	Mean age (years)	Mean % male	Total sample size	Primary amputation sample size	Limb salvage sample size
Mitchell et al. [21]	USA	Retrospective cohort	Military	30	98%	137	33	104
Kumar et al. [22]	India	Retrospective cohort	Civilian	35.8	80%	10	3	7
Fochtmann et al. [23]	Austria	Retrospective cohort	Civilian	38	72%	54	1	53
Baghi et al. [24]	Iran	Retrospective cohort	Civilian	29	99%	50	1	49
Ege et al. [25]	Turkey	Retrospective cohort	Civilian	24.6	Not provided	30	5	25
Paryavi et al. [26]	USA	Retrospective cohort	Civilian	27.5	Not provided	38	2	36
Franz et al. [27]	USA	Retrospective cohort	Civilian	34	81%	135	1	134
Tan et al. [28]	USA	Retrospective cohort	Civilian	36.9	84%	5260	68	5192
Ball et al. [29]	USA	Retrospective cohort	Civilian	40	47%	18	17	1
Dragas et al. [30]	Serbia	Retrospective cohort	Both	38.7	89%	167	3	164
Ekim et al. [31]	Turkey	Retrospective cohort	Civilian	27.9	88%	49	1	48
Rasouli et al. [32]	Iran	Retrospective cohort	Civilian	27.1	89%	113	3	110
Heis et al. [33]	Jordan	Retrospective cohort	Civilian	32	74%	32	1	31
Joshi et al. [34]	Canada	Retrospective cohort	Civilian	32.7	88%	17	1	16
Togawa et al. [35]	Japan	Case series	Civilian	43.3	25%	3	1	2