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.
Difference of ECA between the two groups
| Items | DD | MC | U value | P value |
|---|---|---|---|---|
| L3 caudal endplate | 166.38 ± 7.41 | 159.83 ± 9.78 | 2.034 | < 0.05 |
| L4 cranial endplate | 170.96 ± 6.25 | 161.92 ± 11.93 | 2.353 | < 0.05 |
| L4 caudal endplate | 166.56 ± 8.18 | 158.44 ± 14.02 | 2.522 | < 0.05 |
| L5 cranial endplate | 172.35 ± 5.57 | 164.63 ± 9.25 | 3.835 | < 0.01 |
| L5 caudal endplate | 163.80 ± 7.14 | 156.81 ± 11.68 | 3.449 | < 0.01 |
| S1 cranial endplate | 171.00 ± 7.48 | 166.57 ± 9.02 | 3.554 | < 0.01 |
