Table 1.
Comparison of compressive strength between different time intervals in each group and subgroup
| Group | Mean | n | SD | P |
|---|---|---|---|---|
| Group A | 261.43 | 40 | 1.12 | 0.000 (Significant) |
| Group B | 170.75 | 40 | 2.16 | |
| Group C | 201.80 | 40 | 19.09 |
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