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.
Descriptive statistics showing intragroup comparison of group II (PRF) for apical response at 1, 3, and 6 months, respectively
| Apical response | Mean ± SD | Chi-square test | p-value |
|---|---|---|---|
| 1 month | 1.6250 ± 0.91613 | 6.500 | 0.039* |
| 3 months | 1.875 ± 0.99103 | ||
| 6 months | 1.0000 ± 0.00000 |
SD denotes standard deviation; p-value represents the probability value p < 0.05 is considered significant
