Table 6 Biomarker concentrations adjusted for calculation in the logistic regression.

From: Predictive blood biomarkers of sheep pregnancy and litter size

 

CNT vs PRG

SNG vs TRP

TWN vs TRP

Methanol

Log2([methanol]/4901.36) − 7.13)/1.08

N/A

Log2([methanol]/2261.69) + 0.25)/0.07

l-Carnitine

Log2([l-carnitine]/3733.21) − 6.76)/0.56

Log2([l-carnitine]/39.70) + 0.98)/0.10

Log2([l-carnitine]/1961.53) + 0.0.26)/0.03

d-Glucose

Log2([d-glucose]/384,197.32) − 6.76)/0.57

N/A

N/A

l-Arginine

Log2([l-arginine]/21,202.62) − 6.85)/0.81

N/A

N/A

Urea

Log2([urea]/205,076.40) − 6.80)/0.61

N/A

N/A

Methionine

N/A

Log2([methionine]/30.22) + 0.98)/0.12

N/A

Isobutyric Acid

N/A

N/A

Log2([isobutyric acid]/669.83) + 0.26)/0.03

l-lactic acid

N/A

N/A

Log2([l-lactic acid]/145,410.12) + 0.26)/0.04

Valine

N/A

N/A

Log2([valine]/10,719.58) + 0.26)/0.03

Tyrosine

N/A

N/A

Log2([tyrosine]/3242.95) + 0.26)/0.05

  1. Raw concentration of each metabolite (indicated using square brackets) is converted based on the following formula and the resulting value is used in the corresponding logistic regression equation.
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