Table 4 Resorption grade correlated with age (> 60 years/< 60 years), retear, defect size, gender, and number of anchors and retraction grade (statistical analysis)
Resorption | Grade 1 | Grade 2 | Grade 3 | Grade 4 |
|---|---|---|---|---|
Age (> 60 years/< 60 years) | > 0.9999 (ns)/0.9897 (ns) | 0.6108 (ns)/> 0.9999 (ns) | > 0.999 (ns)/0.0197* | 0.6108 (ns)/0.0089** |
Retear | > 0.9999 (ns) | > 0.9999 (ns) | 0.9262 (ns) | 0.9262 (ns) |
Defect size (Bateman 1 or 2/Bateman 3 or 4) | > 0.9999 (ns)/> 0.9999 (ns) | 0.4267 (ns)/> 0.9999 (ns) | 0.0197*/> 0.9999(ns) | 0.0003***/> 0.9999 (ns) |
Gender (m/w) | 0.9897 (ns)/0.9897 (ns) | 0.9252 (ns)/0.7921 (ns) | 0.1550 (ns)/0.9262 (ns) | 0.0830 (ns)/0.2680 (ns) |
Number of anchors (1/2/3) | > 0.9999 (ns)/0.9897 (ns)/0.9897 (ns) | 0.9897 (ns)/0.2680 (ns)/> 0.9999 (ns) | 0.1550 (ns)/0.9897 (ns)/0.9262 (ns) | 0.2680 (ns)/0.0830 (ns)/0.9897 (ns) |
Retraction grade (Patte 1/2) | 0.9897 (ns)/0.9897 (ns)/> 0.9999 | 0.9262 (ns)/0.7921 (ns)/> 0.9999 (ns) | 0.4247 (ns)/0.4247 (ns)/> 0.9999 (ns) | 0.0830 (ns)/0.1550 (ns)/> 0.9999 (ns) |