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# The tests of significance were performed using a two-sided Student's two-sample t-test.
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# Alternative hypothesis: Group 1 mean != Group 2 mean
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# The nonparametric p-values were calculated using 999 Monte Carlo permutations.
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# The nonparametric p-values contain the correct number of significant digits.
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# Entries marked with "N/A" could not be calculated because at least one of the groups
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# of distances was empty, both groups each contained only a single distance, or
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# the test could not be performed (e.g. no variance in groups with the same mean).
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Group 1 Group 2 t statistic Parametric p-value Parametric p-value (Bonferroni-corrected) Nonparametric p-value Nonparametric p-value (Bonferroni-corrected)
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All within SampleType All between SampleType -5.88620906456 1.21017918172e-06 6.17191382679e-05 0.001 0.051
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All within SampleType Tongue vs. Tongue -0.00387968153685 0.997012720117 1 1.000 1.000
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All within SampleType feces vs. feces 0.846324513582 0.413930729877 1 0.480 1.000
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All within SampleType L_palm vs. L_palm -2.12006657727 0.0717144482062 1 0.195 1.000
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All within SampleType Tongue vs. feces -16.6148505595 1.30633494311e-10 6.66230820988e-09 0.001 0.051
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All within SampleType Tongue vs. Other -15.5743072379 2.87873011175e-07 1.46815235699e-05 0.018 0.918
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All within SampleType Tongue vs. L_palm -6.83779578828 4.52562698391e-05 0.00230806976179 0.005 0.255
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All within SampleType feces vs. Other -22.4795761905 6.82667441289e-10 3.48160395057e-08 0.002 0.102
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All within SampleType feces vs. L_palm -9.47841133851 1.80620161578e-07 9.21162824048e-06 0.001 0.051
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All within SampleType Other vs. L_palm -15.5743072379 2.87873011175e-07 1.46815235699e-05 0.016 0.816
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All between SampleType Tongue vs. Tongue 2.09077201664 0.046093682638 1 0.041 1.000
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All between SampleType feces vs. feces 5.42427720226 5.78024241555e-06 0.000294792363193 0.001 0.051
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All between SampleType L_palm vs. L_palm 1.40456176363 0.171551902435 1 0.296 1.000
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All between SampleType Tongue vs. feces 0.425435999984 0.673199711433 1 0.670 1.000
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All between SampleType Tongue vs. Other -2.02351893269 0.0526589209653 1 0.081 1.000
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All between SampleType Tongue vs. L_palm 1.44886308737 0.157748699209 1 0.151 1.000
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All between SampleType feces vs. Other -2.86806850131 0.00748919469177 0.38194892928 0.009 0.459
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All between SampleType feces vs. L_palm 2.59805691168 0.0137602007178 0.701770236606 0.009 0.459
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All between SampleType Other vs. L_palm -2.02351893269 0.0526589209653 1 0.095 1.000
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Tongue vs. Tongue feces vs. feces 0.750044426823 0.486999751717 1 0.637 1.000
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Tongue vs. Tongue L_palm vs. L_palm N/A N/A N/A N/A N/A
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Tongue vs. Tongue Tongue vs. feces -14.5276177979 1.74708244559e-06 8.91012047252e-05 0.084 1.000
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Tongue vs. Tongue Tongue vs. Other -inf 0.0 0.0 0.358 1.000
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Tongue vs. Tongue Tongue vs. L_palm -3.30789904413 0.0454635935925 1 0.204 1.000
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Tongue vs. Tongue feces vs. Other -inf 0.0 0.0 0.201 1.000
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Tongue vs. Tongue feces vs. L_palm -6.42184427323 0.000359737131105 0.0183465936864 0.077 1.000
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Tongue vs. Tongue Other vs. L_palm -inf 0.0 0.0 0.306 1.000
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feces vs. feces L_palm vs. L_palm -5.1852610507 0.00350987640246 0.179003696525 0.140 1.000
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feces vs. feces Tongue vs. feces -28.5454292502 2.12121429245e-12 1.08181928915e-10 0.001 0.051
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feces vs. feces Tongue vs. Other -34.0548551617 4.2691984701e-08 2.17729121975e-06 0.034 1.000
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feces vs. feces Tongue vs. L_palm -9.07462749783 1.74389404784e-05 0.0008893859644 0.004 0.204
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feces vs. feces feces vs. Other -49.740299639 2.95463210949e-11 1.50686237584e-09 0.004 0.204
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feces vs. feces feces vs. L_palm -14.8522463648 4.35201948026e-09 2.21952993493e-07 0.002 0.102
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feces vs. feces Other vs. L_palm -34.0548551617 4.2691984701e-08 2.17729121975e-06 0.043 1.000
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L_palm vs. L_palm Tongue vs. feces -9.39190028367 3.2302713793e-05 0.00164743840344 0.091 1.000
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L_palm vs. L_palm Tongue vs. Other -inf 0.0 0.0 0.345 1.000
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L_palm vs. L_palm Tongue vs. L_palm -1.6427878515 0.198969548124 1 0.424 1.000
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L_palm vs. L_palm feces vs. Other -inf 0.0 0.0 0.204 1.000
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L_palm vs. L_palm feces vs. L_palm -2.67183775137 0.0319145512483 1 0.080 1.000
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L_palm vs. L_palm Other vs. L_palm -inf 0.0 0.0 0.323 1.000
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Tongue vs. feces Tongue vs. Other -16.9467769849 1.49126677953e-07 7.60546057561e-06 0.010 0.510
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Tongue vs. feces Tongue vs. L_palm 4.14358265302 0.00200037577225 0.102019164385 0.006 0.306
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Tongue vs. feces feces vs. Other -24.4605656354 2.97467043382e-10 1.51708192125e-08 0.003 0.153
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Tongue vs. feces feces vs. L_palm 10.1419474027 7.84273105284e-08 3.99979283695e-06 0.001 0.051
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Tongue vs. feces Other vs. L_palm -16.9467769849 1.49126677953e-07 7.60546057561e-06 0.007 0.357
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Tongue vs. Other Tongue vs. L_palm 7.80109946447 0.00145676544067 0.074295037474 0.077 1.000
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Tongue vs. Other feces vs. Other N/A N/A N/A N/A N/A
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Tongue vs. Other feces vs. L_palm 18.3780331114 7.91076092027e-08 4.03448806934e-06 0.015 0.765
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Tongue vs. Other Other vs. L_palm N/A N/A N/A N/A N/A
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Tongue vs. L_palm feces vs. Other -11.7016491967 2.34911604866e-05 0.00119804918481 0.038 1.000
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Tongue vs. L_palm feces vs. L_palm 1.23760825597 0.244132251286 1 0.204 1.000
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Tongue vs. L_palm Other vs. L_palm -7.80109946447 0.00145676544067 0.074295037474 0.056 1.000
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feces vs. Other feces vs. L_palm 26.5264059102 1.33728755302e-10 6.82016652039e-09 0.004 0.204
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feces vs. Other Other vs. L_palm N/A N/A N/A N/A N/A
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feces vs. L_palm Other vs. L_palm -18.3780331114 7.91076092027e-08 4.03448806934e-06 0.016 0.816