Official Journal of the Italian Society of Orthopaedics and Traumatology
Nonaugmented screw group | Augmented screw group | p value | |
---|---|---|---|
BMD, mgHA/cm3 | |||
Mean (SD) | 148 (42) | 161 (31) | 0.13# |
Median (range) | 156 (76–192) | 158 (112–201) | |
Number of broken screws | 9 of 24 | 17 of 24 | < 0.001* |
Screw removal torque, Nm | |||
Mean (SD) | 4.86 (1.0) | 4.97 (0.8) | 0.65# |
Median (range) | 4.9 (2.6–7.1) | 5 (3.1–6.7) | |
Femoral component pull-out force, N | |||
Mean (SD) | 2653 (542) | 2625 (603) | 0.94# |
Median (range) | 2573 (1878–3860) | 2595 (1680–3501) |