Retrospective Study
Copyright ©The Author(s) 2024.
World J Diabetes. Jan 15, 2024; 15(1): 53-71
Published online Jan 15, 2024. doi: 10.4239/wjd.v15.i1.53
Table 2 One-way/two-way ANOVA of serum amino acids in newly onset type-2 diabetes mellitus patients of normal weight, overweight and obesity (mean ± SD)


NW
OW
OB
Obesity, F, P (1-way ANOVA)
Obesity, F, P (2-way ANOVA)
Sex, F value, P value
Obesity × sex interaction, F value, P value
Age-adjusted
F value, P value
Onset-adjusted, F value, P value
Metf. dose-adjusted, F value, P value
HbA1c (%)     Pooled10.96 ± 2.739.91 ± 2.699.09 ± 2.40a3.471, 0.035a2.888, 0.061d1.603, 0.2090.376, 0.688NSNSNS
    Male11.51 ± 2.9310.07 ± 2.789.25 ± 2.163.012, 0.058d
    Female10.12 ± 2.249.70 ± 2.648.85 ± 2.820.661, 0.522
TC (mmol/L)    Pooled4.82 ± 1.364.68 ± 1.654.55 ± 1.100.229, 0.7960.239, 0.7881.020, 0.3150.035, 0.965NSNSNS
    Male4.91 ± 1.244.80 ± 1.964.73 ± 1.140.053, 0.948
    Female4.68 ± 1.584.52 ± 1.154.29 ± 1.040.243, 0.786
TG (mmol/L)    Pooled3.12 ± 6.772.73 ± 3.184.66 ± 4.201.161, 0.3180.992, 0.3751.758, 0.1880.253, 0.777NSNSNS
    Male3.85 ± 8.612.91 ± 3.945.45 ± 4.990.711, 0.496
    Female2.00 ± 1.642.49 ± 1.803.53 ± 2.541.683, 0.200
HDL (mmol/L)    Pooled1.07 ± 0.271.03 ± 0.270.86 ± 0.224.744, 0.011a4.478, 0.014a0.998, 0.3200.337, 0.715NSNSNS
    Male1.07 ± 0.260.98 ± 0.230.84 ± 0.243.602, 0.034a
    Female1.08 ± 0.311.09 ± 0.320.88 ± 0.191.635, 0.209
LDL (mmol/L)    Pooled2.82 ± 1.102.81 ± 0.872.34 ± 1.021.922, 0.1521.670, 0.1940.009, 0.9250.121, 0.887NSNSNS
    Male2.83 ± 0.962.87 ± 0.842.29 ± 0.991.870, 0.164
Histidine (μg/L)    Pooled188.42 ± 40.62197.28 ± 57.63219.62 ± 53.342.488, 0.0892.010, 0.1403.614, 0.060d0.651, 0.524NSNSNS
    Male190.30 ± 45.33205.95 ± 62.41234.87 ± 49.682.680, 0.078d
    Female185.53 ± 33.68185.72 ± 49.92197.59 ± 53.320.234, 0.792
Arginine (μg/L)    Pooled458.53 ± 180.93480.08 ± 198.77507.06 ± 127.360.487, 0.6160.423, 0.6560.219, 0.6410.044, 0.957NSNSNS
    Male459.85 ± 163.56492.30 ± 231.02516.31 ± 131.560.369, 0.693
    Female456.51 ± 211.98463.80 ± 150.31493.70 ± 127.590.140, 0.870
β-Alanine (μg/L)    Pooled436.45 ± 188.57445.91, 188.70394.88, 202.890.530, 0.5910.402, 0.6700.569, 0.4520.942, 0.394NSNSNS
    Male454.86 ± 200.68425.40 ± 177.60357.16 ± 178.591.100, 0.340
    Female408.11 ± 172.11473.25 ± 204.50449.37 ± 233.590.395, 0.676
Carnosine (μg/L)    Pooled5.99 ± 1.375.98 ± 2.066.95 ± 1.502.671, 0.0743.122, 0.0490.013, 0.9081.193, 0.308NSNSNS
    Male6.27 ± 1.415.93 ± 2.366.65 ± 1.340.632, 0.535
    Female5.55 ± 1.226.04 ± 1.637.39 ± 1.69a4.035, 0.026a
Serine (μg/L)    Pooled268.73 ± 91.46239.17 ± 83.33283.56 ± 79.432.258, 0.1102.182, 0.1197.451, 0.008b0.567, 0.569NSNSNS
    Male297.99 ± 77.49256.57 ± 87.30295.74 ± 64.801.817, 0.172
    Female223.72 ± 95.80215.97 ± 73.74265.98 ± 98.351.038, 0.364
Taurine (μg/L)    Pooled71.97 ± 18.2278.96 ± 30.3875.98 ± 22.230.721, 0.4891.054, 0.3531.714, 0.1940.685, 0.5079.335, 0.003bNSNS
    Male72.61 ± 17.8574.52 ± 30.2476.10 ± 21.650.083, 0.921
    Female71.00 ± 19.4784.88 ± 30.3975.81 ± 24.381.131, 0.334
Alanine (μg/L)    Pooled130.77 ± 49.32139.06 ± 40.66168.94 ± 56.03a4.531, 0.013a3.967, 0.022a0.007, 0.9340.812, 0.447NSNSNS
    Male123.80 ± 46.98143.52 ± 40.18170.88 ± 56.72a4.013, 0.024a
    Female141.51 ± 52.77133.10 ± 41.67166.14 ± 58.321.357, 0.270
Asparagine (μg/L)    Pooled36.73 ± 13.8230.17 ± 16.0740.40 ± 13.67c3.900, 0.024a3.817, 0.026a7.684, 0.007b0.586, 0.559NSNSNS
    Male38.32 ± 15.3734.05 ± 18.3045.52 ± 11.832.161, 0.125
    Female34.28 ± 11.1625.01 ± 10.9533.01 ± 13.302.865, 0.070d
Glutamine (μg/L)    Pooled464.62 ± 156.05450.21 ± 188.81489.96 ± 120.180.422, 0.6570.530, 0.5900.652, 0.4210.857, 0.428NSNSNS
    Male459.31 ± 156.09486.60 ± 219.88495.68 ± 135.660.192, 0.826
    Female472.80 ± 162.00401.70 ± 127.29481.70 ± 100.881.534, 0.229
Glutamate (μg/L)    Pooled2812.36 ± 1104.112768.39 ± 1153.783588.65 ± 1138.22a,e4.259, 0.017a4.028, 0.021a5.188, 0.025a0.176, 0.839NSNSNS
    Male2949.39 ± 1011.653028.47 ± 1234.293866.48 ± 1088.443.039, 0.056d
    Female2601.55 ± 1245.382421.62 ± 962.573187.33 ± 1147.671.470, 0.243
Lysine (μg/L)    Pooled341.06 ± 128.62365.48 ± 152.71423.72 ± 142.422.262, 0.1102.087, 0.1306.688, 0.011a0.376, 0.687NSNSNS
    Male357.60 ± 124.07406.28 ± 172.85462.00 ± 157.701.831, 0.170
    Female315.62 ± 136.32311.08 ± 101.65368.42 ± 100.580.833, 0.443
Hydroxyproline (μg/L)    Pooled21.09 ± 11.7714.33 ± 11.68a21.41 ± 12.094.050, 0.021a3.901, 0.024a9.074, 0.003b0.614, 0.543NSNSNS
    Male22.84 ± 12.6917.00 ± 12.5926.07 ± 12.482.472, 0.094
    Female18.39 ± 10.0610.78 ± 9.5514.67 ± 7.982.490, 0.097
Threonine (μg/L)    Pooled201.17 ± 88.38208.93 ± 86.51236.53 ± 82.511.173, 0.3140.950, 0.3903.035, 0.085d0.293, 0.746NSNSNS
    Male209.66 ± 92.11217.95 ± 89.86258.54 ± 87.841.259, 0.292
    Female188.12 ± 84.22196.90 ± 82.80204.73 ± 66.120.118, 0.889
Citrulline (μg/L)    Pooled95.53 ± 32.8790.68 ± 34.2594.71 ± 27.500.237, 0.7900.527, 0.5926.414, 0.013a0.001, 0.9996.232, 0.014aNSNS
    Male101.68 ± 34.7396.78 ± 38.1798.59 ± 30.950.105, 0.901
    Female86.06 ± 28.4882.54 ± 27.1289.11 ± 22.120.195, 0.824
Proline (μg/L)    Pooled2313.70 ± 644.632244.77 ± 716.362561.43 ± 555.471.707, 0.1873.138, 0.048a0.941, 0.3353.279, 0.042a6.754, 0.011aNSNS
    Male2176.16 ± 572.032404.58 ± 839.032604.08 ± 534.611.560, 0.220
    Female2525.30 ± 714.132031.68 ± 448.42a2499.81 ± 611.563.418, 0.043a
Homocysteine (μg/L)    Pooled2.50 ± 1.712.68 ± 1.642.27 ± 1.330.481, 0.6200.800, 0.4530.194, 0.6611.812, 0.169NSNSNS
    Male2.26 ± 1.662.39 ± 1.432.61 ± 1.520.205, 0.815
    Female2.88 ± 1.783.06 ± 1.851.77 ± 0.821.916, 0.161
Valine (μg/L)    Pooled3839.99 ± 883.133718.96 ± 851.754259.02 ± 820.202.938, 0.058d2.627, 0.078d1.547, 0.2171.385, 0.256NSNSNS
    Male3763.81 ± 926.693876.21 ± 837.884465.80 ± 583.753.144, 0.051d
    Female3957.18 ± 833.973509.28 ± 847.573960.35 ± 1041.611.264, 0.294
Methionine (μg/L)    Pooled2.44 ± 1.862.48 ± 1.973.21 ± 2.241.201, 0.3060.754, 0.4733.091, 0.082d2.568, 0.082dNSNSNS
    Male2.23 ± 1.922.84 ± 2.113.99 ± 2.502.658, 0.079d
    Female2.76 ± 1.782.01 ± 1.702.09 ± 1.150.879, 0.424
Isoleucine (μg/L)    Pooled306.68 ± 75.83326.23 ± 81.56357.51 ± 75.722.778, 0.0672.325, 0.1046.977, 0.010b0.786, 0.459NSNSNS
    Male313.67 ± 73.98343.49 ± 87.07386.75 ± 75.14a3.283, 0.045a
    Female295.93 ± 80.37303.21 ± 69.32315.27 ± 56.430.200, 0.820
Leucine(μg/L)    Pooled492.26 ± 136.62518.94 ± 147.01577.40 ± 153.912.301, 0.1061.909, 0.1548.751, 0.004b0.856, 0.428NSNSNS
    Male511.46 ± 137.96548.74 ± 163.13638.14 ± 137.202.896, 0.064d
    Female462.73 ± 134.45479.21 ± 114.87489.66 ± 138.870.129, 0.879
Tyrosine (μg/L)    Pooled155.13 ± 57.40166.00 ± 63.14203.68 ± 74.79a3.998, 0.022a3.370, 0.039a5.255, 0.024a1.448, 0.240NSNSNS
    Male154.79 ± 57.19182.95 ± 70.70225.47 ± 58.95b4.857, 0.011a
    Female155.65 ± 60.07143.39 ± 43.65172.21 ± 87.100.685, 0.511
Phenylalanine (μg/L)    Pooled664.47 ± 163.17699.89 ± 172.50785.74 ± 197.37a3.223, 0.044a2.909, 0.060d2.806, 0.097d0.384, 0.682NSNSNS
    Male688.44 ± 154.62709.87 ± 191.09828.45 ± 208.142.534, 0.089d
    Female627.58 ± 175.24686.60 ± 148.44724.03 ± 173.281.002, 0.377
Tryptophan(μg/L)    Pooled658.00 ± 150.01694.36 ± 188.43790.15 ± 162.27a4.082, 0.020a4.277, 0.017a13.121, 0.000b0.051, 0.951NSNSNS
    Male702.38 ± 151.16746.40 ± 193.72847.94 ± 127.903.062, 0.055d
    Female589.72 ± 124.48624.97 ± 161.06706.66 ± 176.951.567, 0.222