Distal femur complex fractures in elderly patients treated with megaprosthesis: Results in a case series of 11 patients

Table 1 Demographics of the study population, n = 11

Demographics of the study population
Sex	10 female; 1 male
Mean age in yr	86 (84-90)
BMI	29.36 (24.3-35.5)
Affected side, n (%)	4 right-sided (36); 7 left-sided (63)
ASA score, n (%)	8 grade II (72); 3 grade III (27)
Etiology, n	2 traffic incidents 9 mechanical falls
Classification, n	4 C1; 3 C2; 4 C3
Type of implant	LPSTMLimb Preservation System De Puy Synthes
Prophylactic banding using a 1.7 mm DePuy Synthes trauma cable, n (%)	7 (63)
Preoperative functionality level	All patients walked without walking aids
Prior implants/osteosynthesis, n (%)	2 ipsilateral THA (18), 1 contralateral TKA (9), 1 ipsilateral intramedullary femoral nail (9)
Osteoporosis/prior osteoarthritis, n (%)	11 (100)
Follow-up in mo	23.2 (11-26)

Data are expressed as average (min-max), unless stated otherwise. BMI: Body mass index; THA: Total hip arthroplasty; TKA: Total knee arthroplasty.