Table S2. Baseline characteristics for patients with and without postoperative SF-12. Data are presented as mean (Âąstandard deviation), medians (interquartile range) or frequencies (%). * Intraoperative packed red blood cell transfusion ** Blood loss at 24Â h after surgery. Table S2 shows baseline characteristics for excluded patients with missing postoperative Short Form 12 questionnaires. (PDF 32 kb)