Table 4 Frequency and difference (X2) of the responses indicated by oralmaxillofacial surgeons (OMFS) and orthodontists (ORTHO) when evaluating impacted lower third molars (n=24) after analysis of one (XR1) or two serial radiographs (XR1+2)
From: The prediction of impacted versus spontaneously erupted mandibular third molars
OMFS | ORTO | |||
|---|---|---|---|---|
XR1 | XR1+2 | XR1 | XR1+2 | |
Correct | 325 (50.1%) | 465 (71.8%) | 318 (49.1%) | 387 (59.8%) |
Error | 323 (49.9%) | 183 (28.2%) | 330 (50.9%) | 261 (40.2%) |
Total | 648 (100%) | 648 (100%) | 648 (100%) | 648 (100%) |
Kappa | 0.219 (p<0.0001) | 0.088 (p=0.0007) | ||
X2XR1 OMFS vs ORTHO | 0.738 | |||
X2 XR1+2 OMFS vs ORTHO | <0.0001 | |||