Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Stiffness determined for low and high load magnitudes in the pull-out test of the pedicle screws
| Range used for calculating stiffness | 20–35 N | 35–50 N | 50–100 N | 100–200 N | 200–350 N |
|---|---|---|---|---|---|
| Stiffness in N/mm | 336.1 | 303.7 | 255.3 | 214.2 | 213.9 |
| Standard deviation | 158.9 | 224.1 | 233.19 | 182.3 | 132.1 |
