Table 2.
Comparison of three groups with probing pocket depth by one-way ANOVA
| Groups | Baseline | 3rd month | 6th month | Changes from baseline to | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 3rd month | 6th month | |||||||||
| Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | |
| OFD | 5.21 | 1.13 | 3.37 | 0.66 | 2.85 | 0.40 | 1.85 | 1.13 | 2.37 | 1.12 |
| DFDBA | 6.63 | 1.82 | 4.13 | 0.99 | 3.08 | 0.64 | 2.50 | 1.12 | 3.56 | 1.56 |
| DFDBA + PRF | 6.25 | 1.26 | 3.54 | 0.48 | 2.65 | 0.40 | 2.71 | 1.28 | 3.60 | 1.42 |
| Percentage of change in OFD | 35.42%# | P=0.0001* | 45.39%# | P=0.00001* | ||||||
| Percentage of change in DFDBA | 37.68%# | P=0.00001* | 53.62%# | P=0.00001* | ||||||
| Percentage of change in DDBA + PRF | 43.38%# | P=0.00001* | 57.54%# | P=0.00001* | ||||||
| F | 3.4246 | 3.8815 | 2.3843 | 1.9127 | 3.3434 | |||||
| P | 0.0435* | 0.0298* | 0.1066 | 0.1624 | 0.0466* | |||||
| Pair wise comparisons by Tukey’s multiple post hoc procedures | ||||||||||
| OFD versus DFDBA (P) | 0.0413* | 0.0309* | 0.4671 | 0.3429 | 0.0843 | |||||
| OFD versus DFDBA + PRF (P) | 0.1695 | 0.8224 | 0.5872 | 0.1604 | 0.0500* | |||||
| DFDBA versus DFDBA + PRF (P) | 0.7745 | 0.1132 | 0.0883 | 0.8910 | 0.9973 | |||||
*P<0.05, #Applied paired t-test. OFD – Open flap debridement; DFDBA – Demineralized freeze-dried bone allograft; PRF – Platelet-rich fibrin; SD – Standard deviation