Lactate improved from 2.7 to 1.1.
 Lactate levels decreased
(ROOT (S (NP (NNP Lactate)) (VP (VBD improved) (PP (IN from) (NP (CD 2.7))) (PP (TO to) (NP (CD 1.1)))) (. .)))
(ROOT (S (NP (NN Lactate) (NNS levels)) (VP (VBD decreased))))
( Lactate ( ( ( improved ( from 2.7 ) ) ( to 1.1 ) ) . ) )
( ( Lactate levels ) decreased )