Summary of maximum load to failure for each screw length and foam density
| Low density (0.08 g/cm3) | Medium density (0.16 g/cm3) | ||||
|---|---|---|---|---|---|
| Screw length | Mean (N) | SD (N) | Mean (N) | SD (N) | Low density–medium density ratio |
| 20 mm | 302.8 | 11.0 | 1004 | 86.1 | 0.302 |
| 24 mm | 388.2 | 35.6 | 1335 | 30.7 | 0.291 |
| 28 mm | 479.4 | 43.5 | 1569 | 41.5 | 0.306 |
| 32 mm | 585.9 | 12.5 | 1907 | 214.3 | 0.307 |
| 36 mm | 707.8 | 33.9 | 2162 | 106.7 | 0.327 |