Fig. 4

Candidate predictors of medical complications during hospital stay in patients with a periprosthetic fracture (PPF): complication vs no complications. 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