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.
Association of knee buckling and risk of knee pain exacerbation.
| Case periods (N) |
Control periods (N) |
Odds ratio (95% CI) |
||
| Knee buckling | No | 259 | 743 | 1.0 (referent) |
| Yes | 141 | 108 | 4.0 (2.59, 6.18) | |
| Number of episodes | 1 | 64 | 54 | 3.5 (2.0, 6.0) |
| 2-5 | 66 | 50 | 4.1 (2.4, 7.0) | |
| ≥ 6 | 11 | 4 | 20.1 (3.7, 110) |
