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Distribution of the survival of the cases at 12 months among the three different groups
| Survival | Failure | Total | |||||
|---|---|---|---|---|---|---|---|
| Crown type | Number | Percentage | Number | Percentage | Number | Percentage | |
| HT | 37 | 92.5 | 03 | 07.5 | 40 | 33.3 | |
| NRCT | 34 | 85.0 | 06 | 15.0 | 40 | 33.3 | |
| CR | 28 | 70.0 | 12 | 30.0 | 40 | 33.4 | |
| Total | 99 | 82.5 | 21 | 17.5 | 120 | 100 | |
| Intergroup analysis of survival at 12 months | |||||||
| Chi-square value | 7.273 | ||||||
| Degree of freedom | 02 | ||||||
| p-value | 0.0263 | ||||||
| Interpretation | Statistically significant | ||||||
Significance of bold value is p <0.05
