Fig. 3

Candidate predictors of in-hospital mortality in patients with a periprosthetic fracture (PPF): alive at hospital discharge vs dies in hospital before hospital discharge. The reference category for each variable is the first value. The size of the box is proportional to the number of patients in the category. CI confidence interval, OR odds ratio, CFS clinical frailty scale, CCI Charlson comorbidity index, MIS minimally invasive surgery, PC percutaneous, MIPO minimally invasive plating osteosynthesis