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Relationship between modified grade and radiographic grade of diabetic periodontitis group
| Diabetes Modified grade | Radiographic grade | Total | χ2 | P* | Kappa index | ||
|---|---|---|---|---|---|---|---|
| B, n (%) | C, n (%) | ρ | P* | ||||
| B | 44 (50.0) | 44 (50.0) | 88 (100) | 0.077 | 0.782 | 0.071 | 0.782 |
| C | 33 (42.85) | 44 (57.15) | 77 (100) | ||||
*P>0.05, statistically no significant difference. A – Grade A; B – Grade B; C – Grade C; P – p value; χ2 – chi square; ρ – index of agreement; n – number of individuals
