Table 2 Frequency and difference of the responses indicated by oralmaxillofacial surgeons (OMFS) and orthodontists (ORTHO) when evaluating all lower third molars, erupted spontaneously or impacted (n = 68), after analysis of one (XR1) or two serial radiographs (XR1 + 2)
From: The prediction of impacted versus spontaneously erupted mandibular third molars
OMFS | ORTHO | |||||
|---|---|---|---|---|---|---|
XR1 | XR1 | |||||
XR1+2 | Correct | Error | Total | Correct | Error | Total |
Correct | 743 (40.5%) | 254 (13.8%) | 997 (54.3%) | 797 (43.4%) | 309 (16.8%) | 1106 (60.2%) |
Error | 327 (17.8%) | 512 (27.9%) | 839 (45.7%) | 303 (16.5%) | 427 (23.3%) | 730 (39.8%) |
Total | 1070 (58.3%) | 766 (41.7%) | 1836 (100%) | 1100 (59.9%) | 736 (40.1%) | 1836 (100%) |
Kappa | 0.35 (p-valor <0.01) | 0.30 (p-valor <0.01) | ||||
X2 XR1 OMFS vs Ortho | <0.0001 | <0.01 | ||||
X2 XR1+2 OMFS vs Ortho | <0.0001 | <0.0001 | ||||