Table 3.
Denture plaque index scores (DPI) with means compared among subjects in both groups.
| Scores | Group A (Control) | Group B (Test) | Probable Value of t (Unpaired) |
Karl Pearson Correlation Coefficient (r) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| n (75) | % | Mean ± SD | SEM | n (75) | % | Mean ± SD | SEM | 0.0000 * | −0.0017 (NS) | |
| Good | 4 | 5.3 | 2.92 ± 0.892 | 0.1564 | 52 | 69.33 | 1.38 ± 0.618 | 0.1084 | ||
| Average | 23 | 30.6 | 18 | 24 | ||||||
| Poor | 27 | 36 | 5 | 6.67 | ||||||
| Very Poor | 21 | 28 | 0 | 0 | ||||||
In the unpaired t-test, the level of the degree of significance was determined on the value of p < 0.05; degree of linear relationship between two variables was determined by the Karl Pearson’s correlation coefficient, expressed as r; * significant; NS, not significant.