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Comparison of calculus index between group I and group II
| Groups | N | Mean | Std. Deviation | Mean Difference | p-value | 95% Confidence Interval of the Difference |
|---|---|---|---|---|---|---|
| Group I | 25 | 2.472 | 0.3973 | 0.9708 | <0.0005 | 0.7340 to 1.2076 |
| Group II | 25 | 1.501 | 0.4347 |
unpaired t-test
