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. 2021 Sep 8;11(9):609. doi: 10.3390/metabo11090609

Table 1.

Intra-assay Percent Coefficient of Variance (CV%) within Metabolite Classes and CV% Standard Deviation (SD) for Technical Replicates of PTSD and Control Samples in Shipment 1.

Intra-Assay Precision: Shipment 1
PTSD Average CV% Control Average CV% Count Range SD PTSD Average CV% Control Average CV% Count SD PTSD Average CV% Control Average CV% Count SD PTSD Average CV% Control Average CV% Count SD PTSD Average CV% Control Average CV% Count SD
Metabolite Class Biocrates HMT Nightingale Lipotype Metabolon
Acylcarnitines 10.33 9.88 14 2.07–76.09 15.67 5.66 5.81 35 7.43 9.03 8.39 21 7.70
Amino Acids 3.53 8.12 40 0.87–19.01 3.14 6.85 6.93 22 2.56 2.78 6.01 9 3.76 8.84 9.56 52 8.22
Amino Acid Related 3.44 8.71 1.73–12.88 3.21
Carboxylic Acids 3.85 7.20 2 2.70–8.02 2.25 5.10 5.62 8 2.83 2.99 6.66 3 2.38 11.32 9.13 101 13.59
Cholesteryl ester 8.46 14.69 18 3.42–48.13 8.44 4.23 13.30 13 6.84 4.63 4.00 26 2.20
Diglycerides 8.46 12.28 14 1.95–36.34 7.53 4.84 9.80 2 3.38 4.29 4.00 19 2.73
Diazines 21.00 18.45 3 21.16 15.39 13.46 5 12.60
Organonitrogen compounds 7.29 9.37 13 5.02 15.55 11.3 14 12.61
Purine nucleotides 9.69 16.16 5 9.32 14.18 12.48 10 8.09
Organooxygen compounds 12.03 9.63 6 7.35 1.04 6.44 2 4.07 9.19 9.90 6 8.38
Hydroxy acids and derivatives 4.04 6.79 5 2.47 0.88 3.05 1 NA 11.28 11.80 16 10.81
Keto acids and derivatives 1.62 5.52 3 2.24 4.29 26.20 2 18.87 8.35 8.18 13 4.94
Ceramides 6.53 8.60 25 0.59–29.33 5.33 11.36 10.43 5 4.62 5.03 6.77 2 3.06 7.22 7.10 11 5.55
Lactosylceramide 19.98 15.25 13 13.62 10.15 14.99 12 10.36
Glucosylceramide 21.84 19.55 13 11.15
Dihexosylceramides 10.30 9.78 10 2.45–34.65 7.59
Trihexosylceramides 14.16 17.94 6 4.69–43.82 11.60
Dihydroceramide 19.07 17.15 12 14.73
Hexosylceramide 9.56 11.32 19 1.33–27.20 5.81 6.28 8.33 12 4.34
Triglycerides 7.33 13.27 235 0.78–38.42 3.72 4.88 6.49 32 2.46 1.92 5.96 21 2.19
Hormones/Steroids 2.53 6.43 3 1.48–7.15 2.34 5.88 6.28 9 4.77 8.65 6.18 26 3.79
Fatty Acids 8.10 8.16 7 3.63–11.43 2.60 6.92 9.11 32 4.97 27.57 3.89 2 15.39 3.58 3.53 29 2.15
Fatty Acyls 28.92 29.75 4 19.76 18.17 13.20 83 12.09
Biogenic Amines 4.74 10.52 3 3.19–11.69 3.47
Bile Acids 5.84 7.73 12 2.48–12.04 2.77 4.66 6.47 4 7.22 11.42 8.94 22 6.95
Indoles and Derivatives 3.36 10.40 3 2.69–14.21 4.56 6.51 7.37 1 NA 7.45 5.82 9 3.97
Lysophosphatidyl-cholines (LPC) 13.05 11.32 14 0.91–36.05 10.66 3.34 3.71 27 1.69 4.38 14.44 6 5.36 7.28 10.10 15 5.14
Glycerophosphocholines 7.09 7.76 19 10.79
Phosphatidyl-cholines (PC) 7.98 9.78 73 1.78–67.84 9.56 7.96 11.15 63 5.22 8.12 5.98 18 4.44
Sphingomyelins 3.89 7.68 15 1.88–11.73 2.64 5.79 8.62 12 2.89 3.45 3.05 12 1.79
Sphingolipids 14.28 13.47 12 10.86 6.13 7.79 2 2.11
Sphinganine 6
Sphingosine 11.76 12.89 6 9.48
Glycerophospholipids 10.41 9.67 15 8.70 19.61 22.64 7 16.45
Glycerolipids (Monoacylglycerol) 21.69 26.95 25 14.48
Carboximidic acids and derivatives 4.93 4.33 1 NA 15.21 17.34 4 10.22
lyso-Phosphatidylethanolamine (LPE) 10.36 8.40 22 7.95 8.83 15.24 9 5.24 5.18 6.38 8 4.88
Phosphatidylcholine (-ether) (LPC-O) 13.02 16.40 41 8.64
Phosphatidylethanolamine (PE) 9.22 15.06 15 6.79 4.38 8.11 12 6.46
Phosphatidylethanolamine (-ether) (LPE-O) 11.54 15.20 16 7.76
Phosphatidylinositol (LPI) 7.37 8.44 14 6.05 8.95 16.88 15 7.62 10.83 18.82 6 8.90
Lyso-Phosphatidylserine (LPS) 11.21 15.84 7 8.97
Glycerophosphoglycerols (LPG) 9.23 10.92 14 6.71
Vitamins and Cofactors 1.09 10.44 1 NA 2.37 5.87 1 NA
Alkaloids 4.69 13.74 1 NA 3.86 2.48 2 0.80
Amine (Oxides) 6.92 8.23 1 NA 45.46 12.49 1 NA
Carbohydrates and Related 2.50 6.33 1 NA 10.81 14.37 34 13.62
Cresols 2.07 7.14 1 NA
Imidazopyrimidines 11.35 5.44 1 NA 10.32 7.60 17 8.68
5′-deoxyribonucleosides 19.82 18.62 1 NA 7.84 8.63 1 NA
Nucleoside and nucleotide analogues 13.05 3.4 1 NA
Pyrimidine nucleosides 1.33 7.94 1 NA 9.24 9.59 7 7.33
Pyridines and derivatives 6.69 7.90 10 5.76
Quinolines and derivatives 11.85 13.64 3 7.42
Phenols 9.22 4.79 3 5.40
Prenol lipids 17.87 8.77 7 8.13
Imidazole ribonucleosides and ribonucleotides 12.17 5.5 1 NA
Benzene and substituted derivatives 12.72 9.49 14 10.36
Phenylpropanoic acids 6.52 5.82 9 8.63
Tetrapyrroles and derivatives 3.45 11.6 2 5.43
Cholesterol and derivatives 7.53 9.5 2 4.40
Non-metal oxoanionic compounds 2.94 3.17 2 1.81
Organic sulfuric acids and derivatives 6.1 4.03 22 3.49
Organic sulfonic acids and derivatives 2.47 5.59 2 3.48
Organic carbonic acids and derivatives 6.33 9.48 2 3.88
Organic phosphoric acids and derivatives 9.53 7.87 1 NA
Benzothiazepines 2.29 6.17 2 5.83
Bilirubins 9.03 5.41 2 6.66
Dihydrofurans 6.94 3.07 2 3.68
Alkyl halides 2.9 3.98 2 1.49
Sulfinic acids and derivatives 11.13 16.04 1 NA
Azoles 11.11 10.6 7 5.90
Azolidines 4.34 6.92 1 NA
Cinnamic acids and derivatives 4.07 13.92 1 NA
Peptidomimetics 20.02 14.52 1 NA
Piperidines 14.81 16.27 1 NA
Pyrrolidines 4.09 5.48 1 NA
Coumarins and derivatives 0 14.1 1 NA

Notes: “High” precision is shown in green (≤10%), “moderate” in yellow (10% < x < 20%), and “low” in red (≥20%).