Table 4.
Logistic Regression Analysis Comparing Amino Acids of T2D Converters and Nonconverters
Metabolite, μmol/L | Nonconverter (n = 70) |
T2D Converter (n = 76) |
T2D Converter (n = 76): Nonconverter (n = 70)a |
T2D Converter (n = 76): Nonconverter (n = 70)b |
T2D Converter (n = 76): Nonconverter (n = 70)c |
||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean ± sd | Median | Mean ± sd | Median | OR | 95% CI | P Valued | Odds Ratio | 95% CI | P Valued | OR | 95% CI | P Valued | |
Glycine | 238 ± 71 | 227 | 204 ± 45 | 197 | 0.58 | 0.39–0.88 | .0098 | 0.56 | 0.36–0.88 | .011 | 0.8026 | 0.52–1.25 | .33 |
Alanine | 359 ± 78 | 365 | 405 ± 91 | 390 | 1.64 | 1.10–2.44 | .016 | 1.79 | 1.15–2.70 | .0089 | 1.4918 | 0.97–2.30 | .069 |
Serine | 98 ± 20 | 99 | 92 ± 20 | 91 | 0.79 | 0.53–1.20 | .28 | 0.76 | 0.49–1.19 | .24 | 0.9165 | 0.58–1.44 | .71 |
Proline | 168 ± 51 | 162 | 175 ± 43 | 166 | 1.1 | 0.76–1.59 | .61 | 1.19 | 0.80–1.79 | .39 | 1.0241 | 0.69–1.52 | .91 |
Valine | 201 ± 36 | 195 | 232 ± 36 | 235 | 2.22 | 1.47–3.33 | .00010 | 2.08 | 1.37–3.23 | .00080 | 1.7731 | 1.15–2.74 | .0099 |
Leucine or isoleucine | 140 ± 30 | 141 | 155 ± 30 | 157 | 1.59 | 1.09–2.33 | .016 | 1.47 | 0.98–2.22 | .065 | 1.3681 | 0.92–2.03 | .12 |
Methionine | 19 ± 6 | 17 | 18 ± 5 | 17 | 0.7 | 0.45–1.11 | .14 | 0.67 | 0.40–1.11 | .12 | 0.6478 | 0.39–1.06 | .087 |
Histidine | 77 ± 13 | 77 | 73 ± 14 | 72 | 0.78 | 0.55–1.10 | .15 | 0.75 | 0.52–1.10 | .14 | 0.8165 | 0.56–1.18 | .28 |
Phenylalanine | 67 ± 13 | 66 | 72 ± 12 | 72 | 1.56 | 1.01–2.44 | .045 | 1.72 | 1.06–2.86 | .027 | 1.1473 | 0.71–1.85 | .57 |
Tyrosine | 72 ± 17 | 69 | 78 ± 17 | 78 | 1.23 | 0.85–1.79 | .26 | 1.41 | 0.93–2.13 | .11 | 0.9307 | 0.61–1.41 | .74 |
Asparagine and aspartate | 55 ± 44 | 44 | 35 ± 32 | 15 | 0.42 | 0.24–0.73 | .0022 | 0.41 | 0.23–0.75 | .0036 | 0.4617 | 0.27–0.80 | .0063 |
Glutamine and glutamate | 97 ± 32 | 92 | 112 ± 35 | 109 | 1.82 | 1.16–2.78 | .0080 | 1.75 | 1.12–2.78 | .015 | 1.4813 | 0.93–2.37 | .10 |
Ornithine | 54 ± 14 | 52 | 58 ± 15 | 59 | 1.18 | 0.83–1.69 | .36 | 1.09 | 0.74–1.59 | .67 | 1.1976 | 0.83–1.74 | .34 |
Citrulline | 33 ± 9 | 32 | 33 ± 9 | 32 | 1.1 | 0.77–1.54 | .62 | 1.02 | 0.70–1.49 | .9 | 1.2642 | 0.86–1.87 | .24 |
Arginine | 80 ± 17 | 78 | 86 ± 18 | 87 | 1.3 | 0.90–1.85 | .17 | 1.22 | 0.83–1.79 | .31 | 1.3363 | 0.90–1.98 | .15 |
Abbreviations: CI, confidence interval, OR, odds ratio.
Covariates: age, sex, BMI, and ethnicity.
Covariates: age, sex, BMI, ethnicity, and AIR.
Covariates: age, sex, BMI, ethnicity, and SI.
Values in bold indicate statistical significance corrected for multiple comparisons (P < 0.0018).