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.
Multiple comparison testing for groups.
| SBS(MPa) | Group I | Group II | Group III | Group IV | Group V | Group VI | Group VII |
|---|---|---|---|---|---|---|---|
| Group I | - | *** | **** | **** | **** | **** | **** |
| Group II | *** | - | **** | **** | **** | **** | ns |
| Group III | **** | **** | - | ** | ns | **** | **** |
| Group IV | **** | **** | ** | - | ns | ns | **** |
| Group V | **** | **** | ns | ns | - | *** | **** |
| Group VI | **** | **** | **** | ns | *** | - | ns |
| Group VII | **** | ns | **** | **** | **** | ns | - |
ns:Not significant, ***: p<0.001, ****:p<0.0001
