Fig. 1From: Serum vascular endothelial growth factor affects tissue fluid accumulation and is associated with deteriorating tissue perfusion and oxygenation in severe sepsis: a prospective observational studyFlowchart of patient selection in the study. The patients included were ultimately divided into two groups, oliguric and non-oliguric, based on the average urine output during the three-day study period. Oliguric patients included those with less than 500Â mL urine output, and non-oliguric patients included those with urine output of 500Â mL or more. TB, tuberculosis; NIRS, near-infrared spectroscopyBack to article page