Table 1.

Study population characteristics. Continuous variables are presented as mean and range

	Internal fixation n = 65	Hip arthroplasty n = 170
Age	83 (61–98)	83 (64–99)
Sex
Male	21 (32%)	54 (32%)
Female	44 (68%)	116 (68%)
Side
Right	27 (42%)	77 (45%)
Left	38 (58%)	93 (55%)
Cognitive status
Lucid	36 (55%)	100 (59%)
Impairment	29 (45%)	62 (36%)
Missing	0 (0%)	8 (5%)
Surgical treatment
Hemiarthroplasty	0 (0%)	152 (89%)
Total hip arthroplasty	0 (0%)	18 (11%)
Internal fixation	65 (100%)	0 (0%)
ASA
1–2	33 (51%)	73 (43%)
3–4	29 (45%)	94 (55%)
Missing	3 (4%)	3 (2%)