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.
Stress shielding according to Engh’s classification
| Engh’s classification | TNS group | Control group | ||
|---|---|---|---|---|
| 1-year follow-up Hips, (ratio) |
3-year follow-up Hips, (ratio) |
1-year follow-up Hips, (ratio) |
3-year follow-up Hips, (ratio) |
|
| None | 19, (47.5%) | 14, (35%) | 0, (0%) | 0, (0%) |
| Grade 1 | 17, (42.5%) | 10, (25%) | 7, (28%) | 5, (20%) |
| Grade 2 | 4, (10%) | 16, (40%) | 12, (48%) | 10, (40%) |
| Grade 3 | 0, (0%) | 0, (0%) | 5, (20%) | 9, (36%) |
| Grade 4 | 0, (0%) | 0, (0%) | 1, (4%) | 1, (4%) |
