Fig.Ā 1From: RETRACTED ARTICLE: Serum sphingosine-1-phosphate levels and Sphingosine-1-Phosphate gene polymorphisms in acute respiratory distress syndrome: a multicenter prospective studya ARDS patients had significantly lower mean serum S1P levels than controls (Pā<ā0.001). b The two study groups did not differ in terms of gender distribution. ARDS acute respiratory distress syndrome, S1P sphingosine-1-phosphate, n.s. non-significantBack to article page