Standard screens may not perform as well in these patient subgroups that may represent a considerable part of the ED population.
( ( Standard screens ) ( ( ( may not ) ( ( perform ( as well ) ) ( in ( ( these ( patient subgroups ) ) ( that ( may ( represent ( ( a ( considerable part ) ) ( of ( the ( ED population ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Standard) (NNS screens)) (VP (MD may) (RB not) (VP (VB perform) (ADVP (RB as) (RB well)) (PP (IN in) (NP (NP (DT these) (JJ patient) (NNS subgroups)) (SBAR (WHNP (WDT that)) (S (VP (MD may) (VP (VB represent) (NP (NP (DT a) (JJ considerable) (NN part)) (PP (IN of) (NP (DT the) (NNP ED) (NN population)))))))))))) (. .)))
Standard screens will be better than average in these subgroups of patients.
( ( Standard screens ) ( ( will ( ( be ( better ( than average ) ) ) ( in ( ( these subgroups ) ( of patients ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Standard) (NNS screens)) (VP (MD will) (VP (VB be) (ADJP (ADJP (JJR better)) (PP (IN than) (NP (NN average)))) (PP (IN in) (NP (NP (DT these) (NNS subgroups)) (PP (IN of) (NP (NNS patients))))))) (. .)))