On arrival to the operating room, haemoglobin Hb was 13.27 g/dL SD = 1.14, while on discharge Hb was 11.46 g/dL SD = 2.04, with excess base EB of -8.55 SD = 2.98 consistent with metabolic acidemia, despite the fact that the mean difference was only 1.69 g/dL between Hb on admission to the operating room and admission to the ICU.
Al ingreso en cirugía los pacientes presentaron una hemoglobina Hb de 13,27 g/dl DE = 1,14, mientras que al egreso una Hb de 11,46 g/dl DE = 2,04 y una base exceso BE de -8,55 DE = 2,98 diagnóstica de acidemia metabólica a pesar de existir solo una diferencia media de 1,69 g/dl entre la Hb al ingreso a salas e ingreso a la UCI.