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| Variable | n | Mean (SD) | p -Value |
|---|---|---|---|
| Screw 1 | 8 | 0.13 (0.35) a | < 0.001 |
| Screw 2 | 8 | 0.38 (0.52) a,b | |
| Screw 3 | 8 | 0.13 (0.35) a | |
| Screw 4 | 8 | 0.13 (0.35) a | |
| Screw 5 | 8 | 1.00 (0.00) b | |
| Screw 6 | 8 | 1.00 (0.00) b | |
| Screw 7 | 8 | 0.75 (0.46) a,b | |
| Screw 8 | 8 | 0.38 (0.52) a,b |
Abbreviation: SD, standard deviation.
Note: Scheffe's post hoc test: a < b.
