Table 1.
Generalised regression model showing statistically significant variabilities in microorganism populations depending on the MP-PET dose.
| Dependent variable | Adjusted R2 | MS | SS | df | MS | F | p |
|---|---|---|---|---|---|---|---|
| Phylum | |||||||
| Desulfobacterota | 0.34 | 768,785 | 3,308,242.83 | 26 | 127,240 | 6.04 | 0.00 |
| Genus | |||||||
| Collinsella | 0.24 | 584,285 | 3,741,545.00 | 26 | 143,906 | 4.06 | 0.02 |
| Senegalimassilia | 0.23 | 243 | 1621.30 | 26 | 62 | 3.90 | 0.02 |
| Bacteroides | 0.23 | 447,927 | 2,956,683.64 | 26 | 113,719 | 3.94 | 0.02 |
| Rikenellaceae_RC9_gut_group | 0.25 | 3,691,334 | 22,324,781.93 | 26 | 858,645 | 4.30 | 0.01 |
| Desulfovibrio | 0.36 | 500,771 | 2,043,575.07 | 26 | 78,599 | 6.37 | 0.00 |
| Streptococcus | 0.21 | 281,973,972 | 2,068,954,888.99 | 26 | 79,575,188 | 3.54 | 0.03 |
| UCG-004 | 0.17 | 1262 | 10,921.04 | 26 | 420 | 3.01 | 0.05 |
| Family_XIII_AD3011_group | 0.17 | 789,022 | 6,846,340.73 | 26 | 263,321 | 3.00 | 0.05 |
| Family_XIII_UCG-003 | 0.18 | 11,895 | 99,866.01 | 26 | 3841 | 3.10 | 0.04 |
| Coprococcus | 0.38 | 1,434,033 | 5,299,613.24 | 26 | 203,831 | 7.04 | 0.00 |
| UCG-009 | 0.30 | 294,995 | 1,498,855.33 | 26 | 57,648 | 5.12 | 0.01 |
| V9D2013_group | 0.21 | 2288 | 16,509.85 | 26 | 635 | 3.60 | 0.03 |
| UCG-010 | 0.29 | 1,628,336 | 8,585,584.02 | 26 | 330,215 | 4.93 | 0.01 |
| Sphaerochaeta | 0.38 | 6394 | 24,238.52 | 26 | 932 | 6.86 | 0.00 |
| Species | |||||||
| Prevotella_copri | 0.17 | 27,805 | 238,553 | 26 | 9175 | 3.03 | 0.05 |
| Treponema_succinifaciens | 0.33 | 588,601 | 2,661,259 | 26 | 102,356 | 5.75 | 0.00 |
The taxa which achieved p < 0.05 were taken into account at the phylum, genus and species level. Adjusted R2—coefficient of determination, MS—mean squares, SS—deviation of observed values from expected values, df—degrees of freedom, F—significance F, p—p value.