Table 4.
Comparison of the mean differences in pH values before and 5 min after salivary stimulation among the different groups by Tukey's HSD test.
| (I) GROUP | (J) GROUP | Mean Difference (I-J) | Std. Error | P value | 95% Confidence Interval |
|
|---|---|---|---|---|---|---|
| Lower Bound | Upper Bound | |||||
| Safree vs | Nabtat Seif | −.08667 | .16734 | .999 | −.5904 | .4171 |
| Safree vs | Khalas | −.12000 | .16734 | .991 | −.6238 | .3838 |
| Safree vs | Sukkari | −.10000 | .16734 | .997 | −.6038 | .4038 |
| Safree vs | Segae | −.02667 | .16734 | 1.000 | −.5304 | .4771 |
| Safree vs | Grapefruit | −1.02000a | .16734 | .000 | −1.5238 | −.5162 |
| Safree vs | Cotton pellet | .42667 | .16734 | .153 | −.0771 | .9304 |
| Nabtat Seif vs | Khalas | −.03333 | .16734 | 1.000 | −.5371 | .4704 |
| Nabtat Seif vs | Sukkari | −.01333 | .16734 | 1.000 | −.5171 | .4904 |
| Nabtat Seif vs | Segae | .06000 | .16734 | 1.000 | −.4438 | .5638 |
| Nabtat Seif vs | Grapefruit | −.93333a | .16734 | .000 | −1.4371 | −.4296 |
| Nabtat Seif vs | Cotton pellet | .51333a | .16734 | .043 | .0096 | 1.0171 |
| Khalas vs | Sukkari | .02000 | .16734 | 1.000 | −.4838 | .5238 |
| Khalas vs | Segae | .09333 | .16734 | .998 | −.4104 | .5971 |
| Khalas vs | Grapefruit | −.90000a | .16734 | .000 | −1.4038 | −.3962 |
| Khalas vs | Cotton pellet | .54667a | .16734 | .024 | .0429 | 1.0504 |
| Sukkari vs | Segae | .07333 | .16734 | .999 | −.4304 | .5771 |
| Sukkari vs | Grapefruit | −.92000a | .16734 | .000 | −1.4238 | −.4162 |
| Sukkari vs | Cotton pellet | .52667a | .16734 | .034 | .0229 | 1.0304 |
| Segae vs | Grapefruit | −.99333a | .16734 | .000 | −1.4971 | −.4896 |
| Segae vs | Cotton pellet | .45333 | .16734 | .107 | −.0504 | .9571 |
| Grapefruit vs | Cotton pellet | 1.44667a | .16734 | .000 | .9429 | 1.9504 |
a
The mean difference is significant at the .05 level.