Mylène Jansen

118 Chapter 6 Table 2 : Complications during and after treatment with knee joint distraction in regular care and in clinical trials Regular care (n=84) Clinical trial (n=62) Pin tract skin infection 59 (70) 41 (66) Oral antibiotics 51 (61) 35 (56) Hospital admission + intravenous antibiotics 8 (10) 6 (10) Osteomyelitis 5 (6) 1 (2) Confirmed osteomyelitis 2 (2) 1 (2) Infection treated as osteomyelitis 3 (4) 0 (0) Pin loosening 4 (5) Flexion limitation 2 (2) 1 (2) Deep venous thrombosis 2 (2) Pulmonary embolism 1 (1) 2 (3) Pin tract bleeding 1 (1) Compartment syndrome 1 (1) Pneumonia 1 (1) Corpus liberum 1 (1) Postoperative foot drop 1 (2) Breaking of bone pin 1 (2) N (%) is given. Figure 3 : Range of motion before and after treatment with knee joint distraction. Statistically significant differences compared to baseline are indicated with * for regular care patients (non-existent for clinical trial patients); statistically significant differences between regular care and clinical trial patients are indicated with #. Mean and standard error are shown. Clinical benefit In total 41 regular care patients and 61 clinical trial patients completed both baseline and 1-year follow-up WOMAC questionnaires, 43 regular care patients were missing because they did not respond to the electronic requests to fill out the questionnaires by E-mail. One RCT patient was missing at 1-year follow-up after undergoing additional treatment. The baseline characteristics of the patients who completed both WOMAC questionnaires are shown in