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.
Plaque index (PI) (%) scores.
| Plaque Index | Base Line | 6 Months | 1 Year | 2 Years | ||||
|---|---|---|---|---|---|---|---|---|
| Test | Control | Test | Control | Test | Control | Test | Control | |
| 0 | 96.7% (29) | 70% (27) | 83.3% (25) | 76.7% (23) | 66.7% (20) | 66.7% (20) | 60% (18) | 56.7% (17) |
| 1 | 0 | 30% (3) | 13.3% (4) | 20% (6) | 33.3% (10) | 30% (9) | 40% (12) | 43.3% (13) |
| 2 | 3.3% (1) | 0 | 3.3% (1) | 3.3 (1) | 0 | 3.3% (1) | 0 | 3.3% |
| 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
