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Summary of ANOVA tests for determining any significant difference exists between three gingival retraction systems with relation to time taken, vertical retraction and horizontal retraction
| Parameters | Sum of squares | df | Mean square | F test | P value |
|---|---|---|---|---|---|
| Time taken (in seconds) | 252845.2 | 2 | 126422.62 | 183.97 | 0.001 |
| Vertical retraction (in mm) | 3.489 | 2 | 1.744 | 18.816 | 0.001 |
| Horizontal retraction (in mm) | 6.789E−02 | 2 | 3.395E−02 | 5.426 | 0.007 |
df degree of freedom
P value level of significance
