Table 2. Tensile properties of Polypropylene Prolapse meshes relative to those of Gynecare PS.
Mesh | Weight ‡ | Low Stiffness (N/mm) | High Stiffness (N/mm) | Relative Elongation at Inflection Point (%) | Load at failure (N) | Relative Elongation at failure (%) |
---|---|---|---|---|---|---|
Gynecare (n=5) | 44 | 0.27 ± 0.09 | 1.25 ± 0.21 | 33.33 ± 9.62 | 68.34 ± 12.45 | 71.50 ± 2.97 |
Popmesh (n=5) | 19 | N/A | 0.36 ± 0.09 | N/A | 21.40 ± 6.13 | 60.95 ± 9.96 |
Polyform (n=5) | 40 | 0.05 ± 0.01 | 0.69 ± 0.13 | 25.44 ± 7.09 | 51.67 ± 8.53 | 92.25 ± 16.70 |
Pelvitex (n=6) | 38 | 0.07 ± .03 | 0.87 ± 0.07 | 41.28 ± 19.23 | 55.35 ± 6.99 | 100.65 ± 8.62 |
TiMesh (n=5) | 16 | 0.02 ± .01 | 0.17 ± 0.03 | 18.03 ± 9.10 | 9.62 ± 1.21 | 61.66 ± 4.52 |
Overall P* | < 0.001 | < 0.001 | 0.043 | < 0.001 | < 0.001 | |
Gynecare vs. Popmesh† | N/A | < 0.001 | N/A | < 0.001 | 0.282 | |
Gynecare vs. Polyform† | < 0.001 | < 0.001 | 0.643 | 0.011 | 0.010 | |
Gynecare vs. Pelvitex† | < 0.001 | < 0.001 | 0.609 | 0.043 | < 0.001 | |
Gynecare vs. TiMesh† | < 0.001 | < 0.001 | 0.174 | < 0.001 | 0.338 |
Overall P-values from one-way analysis of variance
P-values from Dunnett's multiple comparison's procedure comparing Gynecare to the other brands.
as reported by manufacturer