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. 2011 Sep 7;6(9):e24143. doi: 10.1371/journal.pone.0024143

Table 2. Variables incorporated into LDA and c-logistic models using concentrations as explanatory variables.

Amino acid LC GC CRC BC PC Pooled
LDA C-logit LDA C-logit LDA C-logit LDA C-logit LDA C-logit LDA C-logit
Thr +++ +++ +++ +++
Ser +++ +++ +++ +++ +++ +++
Asn
Gln −−− −−− −−− −−− −−− −−− −−− −−−
Pro +++ +++ +++ +++
Gly +++ ++
Ala +++ +++ +++ +++ +++ +++ +++ +++
Cit −−− −−− −−− − −−−
Val −−− − −−− −− −−− −−− −−− −−− −−− −−−
Met −−− −−−
Ile +++ +++ +++ + +++ +++ +++ ++ +++ +++
Leu +++ +++ +++ ++
Tyr −−− −−− −−− −−
Phe +++ +++ +++ +++
His −−− −−− −−− −−− −−− −−− −−− −−−
Trp −−− −−− −−− −−− −−− −− −−− −−− −−− −−− −−− −−−
Orn +++ +++ +++ +++ +++ +++ +++ +++
Lys +++ +++ +++ +++ +++ +++ +++ +++
Arg −−− −−− −−− −−− −−− −−−

+, ++, +++: positive coefficients in the model.

−, −−, −−−: negative coefficients in the model.

+,−: p<0.05, ++,−−: p<0.01, +++,−−−: p<0.001.