Table 1.
Statistical analysis results of the non-parametric Kruskal–Wallis test followed by pairwise comparison with Bonferroni correction.
| Analysis | Results |
|---|---|
| Independent: Internal Tissue Dependent: Equivalent Diameter |
H(4) = 41.411, p < 0.001, n = 617 Ileum—kidney: p = 0.001 Ileum—liver: p = 0.039 Blood clot—ileum: p < 0.001 Blood clot—lungs: p < 0.001 Blood clot—kidney: p = 0.058 |
| Independent: Internal Tissue Dependent: Largest dimension |
H(4) = 36.432 p < 0.001, n = 617 Ileum—kidney: p = 0.001 Blood clot—ileum: p < 0.001 Blood clot—lungs: p < 0.001 |
| Independent: Internal Tissue Dependent: Smallest dimension |
H(4) = 42.228, p < 0.001, n = 617 Ileum—kidney: p = 0.001 Ileum—liver: p = 0.024 Blood clot—ileum: p < 0.001 Blood clot—lungs: p < 0.001 Blood clot—kidney: p = 0.034 |
| Independent: Internal Tissue Dependent: Circularity |
H(4) = 6.375 p = 0.173, n = 617 |
| Independent: Species Dependent: Equivalent Diameter Split: Tissue |
Liver: H(1) = 1.494, p = 0.222, n = 63 Lungs: H(1) = 5.383, p = 0.020, n = 118 Kidney: H(1) = 4.458, p = 0.035, n = 152 Ileum: H(1) = 10.475, p = 0.001, n = 126 Blood clot: H(1) = 4.081, p = 0.043, n = 88 |
| Independent: Tissue Dependent: Equivalent Diameter Split: Species |
Cat: H(4) = 59.177, p < 0.001, n = 388 Blood clot—lungs: p = 0.009 (10.5 vs. 6.8 µm) Ileum—lungs: p = 0.001 (3.9 vs. 6.8 µm) Ileum—liver: p = 0.001 (3.9 vs. 9.0 µm) Ileum—kidney: p < 0.001 (3.9 vs. 9.6 µm) Ileum—blood clot: p < 0.001 (3.9 vs. 10.5 µm) |
| Dog: H(4) = 4.948, p = 0.293, n = 229 | |
| Independent: Cause of deathDependent: Microplastic concentrationsSplit: Tissue | Liver: H(4) = 9.203, p = 0.056, n = 49 Lungs: H(4) = 2.232, p = 0.693, n = 49 Ileum: H(4) = 1.389, p = 0.846, n = 49 Kidney: H(4) = 3.721, p = 0.445, n = 49 Blood clot: H(4) = 6.846, p = 0.143, n = 46 |
| Independent: Age categories Dependent: Microplastic concentrations Split: Tissue |
Liver: H(3) = 4.975, p = 0.174, n = 49 Lungs: H(3) = 0.996, p = 0.802, n = 49 Ileum: H(3) = 3. 815, p = 0.282, n = 49 Kidney: H(3) = 2.087, p = 0.555, n = 49 Blood clot: H(3) = 0.923, p = 0.820, n = 46 |