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 grading of color blood flow among the 3 groups (n).
| Group | Number of cases | Grade 0 | Grade I | Grade II | Grade III |
| Poorly differentiated group | 24 | 0 | 5 | 11 | 8 |
| Moderately differentiated group | 31 | 0 | 14 | 10 | 7 |
| Highly differentiated group | 35 | 0 | 15 | 18 | 2∗ |
Comparison among 3 groups.
P < .05.
