<Tr> <Td> AF alb = 3.0 </Td> <Td> SAAG = 1.0 </Td> <Td> </Td> <Td> SOG = 60 </Td> </Tr> <Tr> <Td_colspan="4"> CSF: </Td> </Tr> <Tr> <Td> CSF alb = 30 </Td> <Td> CSF glu = 60 </Td> <Td> CSF / S alb = 7.5 </Td> <Td> CSF / S glu = 0.4 </Td> </Tr> <P> It is also known as the "De Ritis Ratio", named after Fernando De Ritis, who performed analysis on transaminases in 1957 . </P>

Elevated levels of alt and ast would be suggestive of