Table 2.
Results of one-way ANOVA for the parametric curve-fitting coefficients a and b, and post-hoc Tukey tests for pairwise comparisons of the coefficient a for elastic shear modulus (G′) and dynamic viscosity (η′) among the injectable biomaterials (n = 3) and the human vocal fold cover (n = 7).6
| Viscoelastic function | Coefficient | F (4, 14) | p value |
|---|---|---|---|
| G′ | a | 16.438 | < 0.001 |
| b | 3.375 | 0.051 | |
| η′ | a | 18.418 | < 0.001 |
| b | 2.003 | 0.149 | |
| Pairwise comparisons for G′ | p value | Pairwise comparisons for η′ | p value |
| Vocal fold cover vs. Juvéderm | 0.016 | Vocal fold cover vs. Juvéderm | 0.014 |
| Vocal fold cover vs. Cymetra | 0.006 | Vocal fold cover vs. Cymetra | 0.006 |
| Vocal fold cover vs. atelocollagen | 0.004 | Vocal fold cover vs. atelocollagen | 0.006 |
| Vocal fold cover vs. Radiesse | < 0.001 | Vocal fold cover vs. Radiesse | < 0.001 |
| Radiesse vs. Juvéderm | 0.040 | Radiesse vs. Juvéderm | 0.016 |
| Radiesse vs. Cymetra | 0.093 | Radiesse vs. Cymetra | 0.031 |
| Radiesse vs. atelocollagen | 0.115 | Radiesse vs. atelocollagen | 0.032 |
| Juvéderm vs. Cymetra | 0.989 | Juvéderm vs. Cymetra | 0.996 |
| Juvéderm vs. atelocollagen | 0.993 | Juvéderm vs. atelocollagen | 0.995 |
| Atelocollagen vs. Cymetra | 1.000 | Atelocollagen vs. Cymetra | 1.000 |