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Plaque indices (PI) overtime in the two groups, and between groups comparisons at each time.
| PI (T0) | PI (T1) | PI (T2) | Intra-Group Difference | |
|---|---|---|---|---|
| MR group | 0.5 ± 0.37 | 0.75 ± 0.51 | 0.7 ± 0.43 | F = 0.108; p = 0.897 (n.s.) |
| FR group | 0.45 ± 0.26 | 0.65 ± 0.56 | 1.7 ± 0.3 | F = 6.047; p = 0.004 n.s. |
| Between groups difference | t = −0.28; p = 0.779 (n.s.) |
t = 0.43; p = 0.667 (n.s.) | t = −4.81; p < 0.001 |
