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.
Comparison of PJR images taken at 40° and 20° of knee flexion angles.
| Comparison between two groups | Measure | ||
|---|---|---|---|
| Parameters | 40° | 20° | p-value |
| Degree of flexion | |||
| Patellar angle | 9° | 4° | — |
| X-ray tube angle | 99° | 94° | — |
| Detector angle | 81° | 86° | — |
| (a) DMLP | 9.97 ± 0.15 | 9.95 ± 0.1 | 1.000 |
| (b) DPFG | 12.35 ± 0.68 | 8.28 ± 0.65 | 0.001 |
| (c) DFGT | −0.37 ± 0.36 | 4.87 ± 0.22 | 0.001 |
